Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 1970/01/01 00:00:59 parsed 1 programs [ 60.963668][ T4455] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 63.300957][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.302483][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.304849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.311361][ T1607] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.312982][ T1607] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.314486][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.390014][ T4577] chnl_net:caif_netlink_parms(): no params data found [ 63.409287][ T4577] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.410553][ T4577] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.413043][ T4577] device bridge_slave_0 entered promiscuous mode [ 63.415169][ T4577] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.416467][ T4577] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.418023][ T4577] device bridge_slave_1 entered promiscuous mode [ 63.426026][ T4577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.428476][ T4577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.438208][ T4577] team0: Port device team_slave_0 added [ 63.440065][ T4577] team0: Port device team_slave_1 added [ 63.446704][ T4577] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 63.447943][ T4577] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.452498][ T4577] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 63.454963][ T4577] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 63.456036][ T4577] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 63.460428][ T4577] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 63.503332][ T4577] device hsr_slave_0 entered promiscuous mode [ 63.542375][ T4577] device hsr_slave_1 entered promiscuous mode [ 64.213140][ T4577] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 64.243652][ T4577] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 64.283370][ T4577] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.356137][ T4577] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.429553][ T4577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.434697][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.436219][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.439499][ T4577] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.441958][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.444183][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.445573][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.446842][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.448912][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.459550][ T4577] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.461368][ T4577] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.464530][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.466198][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.467667][ T1607] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.468823][ T1607] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.470264][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.471878][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.475880][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.477968][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.479665][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.481872][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.484005][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.485565][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.487215][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.488747][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.490424][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.491875][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.535526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.537012][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.540121][ T4577] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.546899][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.548511][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.555617][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.557545][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.559398][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.560910][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.563711][ T4577] device veth0_vlan entered promiscuous mode [ 64.567407][ T4577] device veth1_vlan entered promiscuous mode [ 64.574690][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 64.576283][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 64.577815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 64.579333][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 64.581826][ T4577] device veth0_macvtap entered promiscuous mode [ 64.589934][ T4577] device veth1_macvtap entered promiscuous mode [ 64.595693][ T4577] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 64.597674][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 64.599218][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 64.600712][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 64.603213][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 64.606267][ T4577] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 64.607944][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 64.609607][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 64.612061][ T4577] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.614127][ T4577] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.615579][ T4577] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 64.617120][ T4577] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:01:04 executed programs: 0 [ 64.925059][ T4736] chnl_net:caif_netlink_parms(): no params data found [ 64.962896][ T4736] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.964129][ T4736] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.965782][ T4736] device bridge_slave_0 entered promiscuous mode [ 64.967844][ T4736] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.969032][ T4736] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.970573][ T4736] device bridge_slave_1 entered promiscuous mode [ 64.979730][ T4736] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.983183][ T4736] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.991744][ T4736] team0: Port device team_slave_0 added [ 64.993688][ T4736] team0: Port device team_slave_1 added [ 65.000100][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.001211][ T4736] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.006196][ T4736] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.008828][ T4736] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.009948][ T4736] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 65.014451][ T4736] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.053476][ T4736] device hsr_slave_0 entered promiscuous mode [ 65.092813][ T4736] device hsr_slave_1 entered promiscuous mode [ 65.122303][ T4736] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.123726][ T4736] Cannot create hsr debugfs directory [ 65.152942][ T4736] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 66.892281][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 67.535863][ T4736] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 68.972187][ T4171] Bluetooth: hci0: command 0x041b tx timeout [ 69.613948][ T7] cfg80211: failed to load regulatory.db [ 69.615625][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 69.616812][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 69.916121][ T4736] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 69.976243][ T4736] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.104764][ T4736] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.171273][ T4736] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.214150][ T4736] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.258270][ T4736] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.328807][ T4736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.333551][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.335203][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.338577][ T4736] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.341031][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.343492][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.345070][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.346188][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.347650][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.350699][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.352520][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.354026][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.355270][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.358027][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.360807][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.369424][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.371321][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.373322][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.376172][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.377849][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.380511][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.382148][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.386059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.387589][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.390600][ T4736] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.429994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.431350][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.435274][ T4736] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.441150][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.443583][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.449461][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.451068][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.453734][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.455319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.457168][ T4736] device veth0_vlan entered promiscuous mode [ 70.460669][ T4736] device veth1_vlan entered promiscuous mode [ 70.468714][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.470319][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.471842][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 70.473745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 70.476225][ T4736] device veth0_macvtap entered promiscuous mode [ 70.478519][ T4736] device veth1_macvtap entered promiscuous mode [ 70.488127][ T4736] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 70.489969][ T4736] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.492306][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 70.494051][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 70.495727][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 70.497233][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 70.498926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 70.501219][ T4736] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 70.503503][ T4736] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 70.505498][ T4736] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 70.506736][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 70.508456][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 70.510927][ T4736] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.512409][ T4736] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.513904][ T4736] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.515370][ T4736] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 70.534686][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.536903][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.538683][ T1607] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 70.545968][ T1607] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.547414][ T1607] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.548845][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:01:10 executed programs: 2 [ 70.666700][ T4953] loop0: detected capacity change from 0 to 32768 [ 70.717555][ T4953] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.16 (4953) [ 70.724868][ T4953] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 70.726564][ T4953] BTRFS info (device loop0): using free space tree [ 70.727667][ T4953] BTRFS info (device loop0): has skinny extents [ 70.742087][ T4953] BTRFS info (device loop0): enabling ssd optimizations [ 70.754201][ T4953] BTRFS info (device loop0): balance: start -s [ 70.756540][ T4953] ------------[ cut here ]------------ [ 70.757547][ T4953] WARNING: CPU: 0 PID: 4953 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 70.759417][ T4953] Modules linked in: [ 70.760161][ T4953] CPU: 0 PID: 4953 Comm: syz.0.16 Not tainted syzkaller #0 [ 70.761381][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 70.763101][ T4953] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 70.764450][ T4953] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 70.765601][ T4953] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 70.766753][ T4953] sp : ffff80001f447540 [ 70.767470][ T4953] x29: ffff80001f447710 x28: ffff0000ebcc39b0 x27: 1fffe0001bcde822 [ 70.768866][ T4953] x26: 1fffe0001d79870b x25: ffff0000ebcc3850 x24: dfff800000000000 [ 70.770230][ T4953] x23: ffff0000de6f4108 x22: 1fffe0001d79870a x21: ffff0000ebcc3858 [ 70.771560][ T4953] x20: 00000000ffffffe4 x19: ffff0000d8a0d9d0 x18: 0000000000000001 [ 70.772939][ T4953] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 70.774315][ T4953] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 70.775705][ T4953] x11: 0000000000000000 x10: 0000000000000000 x9 : fed549c1e4501a00 [ 70.777001][ T4953] x8 : fed549c1e4501a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 70.778319][ T4953] x5 : ffff80001f446e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 70.779688][ T4953] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 70.781012][ T4953] Call trace: [ 70.781541][ T4953] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 70.782571][ T4953] __btrfs_end_transaction+0x13c/0x5f0 [ 70.783445][ T4953] btrfs_end_transaction+0x24/0x34 [ 70.784299][ T4953] btrfs_inc_block_group_ro+0x4ec/0x558 [ 70.785261][ T4953] btrfs_relocate_block_group+0x2b8/0x8a4 [ 70.786210][ T4953] btrfs_relocate_chunk+0xb8/0x280 [ 70.787063][ T4953] __btrfs_balance+0x112c/0x1b9c [ 70.787812][ T4953] btrfs_balance+0xac8/0x113c [ 70.788505][ T4953] btrfs_ioctl_balance+0x4cc/0x658 [ 70.789410][ T4953] btrfs_ioctl+0x20c/0xa8c [ 70.790207][ T4953] __arm64_sys_ioctl+0x14c/0x1c8 [ 70.791052][ T4953] invoke_syscall+0x98/0x2b0 [ 70.791812][ T4953] el0_svc_common+0x138/0x258 [ 70.792596][ T4953] do_el0_svc+0x58/0x13c [ 70.793300][ T4953] el0_svc+0x78/0x1d0 [ 70.794012][ T4953] el0t_64_sync_handler+0xcc/0xe4 [ 70.794855][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 70.795617][ T4953] irq event stamp: 80890 [ 70.796352][ T4953] hardirqs last enabled at (80889): [] __up_console_sem+0xb4/0xfc [ 70.798015][ T4953] hardirqs last disabled at (80890): [] el1_dbg+0x24/0x80 [ 70.799478][ T4953] softirqs last enabled at (80624): [] local_bh_enable+0x10/0x34 [ 70.801058][ T4953] softirqs last disabled at (80622): [] local_bh_disable+0x10/0x34 [ 70.802777][ T4953] ---[ end trace c10ef22cdb0ed2cd ]--- [ 70.804960][ T4953] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 70.807136][ T4953] BTRFS info (device loop0): forced readonly [ 70.808355][ T4953] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 70.810362][ T4953] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 70.813845][ T4953] BTRFS info (device loop0): balance: ended with status: -30 [ 70.957201][ T4976] loop0: detected capacity change from 0 to 32768 [ 70.993759][ T4976] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.17 (4976) [ 71.035597][ T4976] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.037094][ T4976] BTRFS info (device loop0): using free space tree [ 71.038189][ T4976] BTRFS info (device loop0): has skinny extents [ 71.046598][ T4976] BTRFS info (device loop0): enabling ssd optimizations [ 71.052046][ T4976] BTRFS info (device loop0): balance: start -s [ 71.053326][ T4066] Bluetooth: hci0: command 0x040f tx timeout [ 71.056408][ T4976] ------------[ cut here ]------------ [ 71.057321][ T4976] WARNING: CPU: 0 PID: 4976 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.059029][ T4976] Modules linked in: [ 71.059710][ T4976] CPU: 0 PID: 4976 Comm: syz.0.17 Tainted: G W syzkaller #0 [ 71.061081][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 71.062807][ T4976] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.064191][ T4976] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.065286][ T4976] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.066427][ T4976] sp : ffff80001f8d7540 [ 71.067158][ T4976] x29: ffff80001f8d7710 x28: ffff0000d716d1b0 x27: 1fffe0001bcde84e [ 71.068493][ T4976] x26: 1fffe0001ae2da0b x25: ffff0000d716d050 x24: dfff800000000000 [ 71.069880][ T4976] x23: ffff0000de6f4268 x22: 1fffe0001ae2da0a x21: ffff0000d716d058 [ 71.071338][ T4976] x20: 00000000ffffffe4 x19: ffff0000d8a0d9d0 x18: 0000000000000001 [ 71.072724][ T4976] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 71.074013][ T4976] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 71.075490][ T4976] x11: 0000000000000000 x10: 0000000000000000 x9 : c52a1c0905b73100 [ 71.076840][ T4976] x8 : c52a1c0905b73100 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.078261][ T4976] x5 : ffff80001f8d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 71.079647][ T4976] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.080991][ T4976] Call trace: [ 71.081550][ T4976] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.082655][ T4976] __btrfs_end_transaction+0x13c/0x5f0 [ 71.083621][ T4976] btrfs_end_transaction+0x24/0x34 [ 71.084464][ T4976] btrfs_inc_block_group_ro+0x4ec/0x558 [ 71.085388][ T4976] btrfs_relocate_block_group+0x2b8/0x8a4 [ 71.086354][ T4976] btrfs_relocate_chunk+0xb8/0x280 [ 71.087211][ T4976] __btrfs_balance+0x112c/0x1b9c [ 71.088108][ T4976] btrfs_balance+0xac8/0x113c [ 71.088891][ T4976] btrfs_ioctl_balance+0x4cc/0x658 [ 71.089737][ T4976] btrfs_ioctl+0x20c/0xa8c [ 71.090523][ T4976] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.091326][ T4976] invoke_syscall+0x98/0x2b0 [ 71.092087][ T4976] el0_svc_common+0x138/0x258 [ 71.092873][ T4976] do_el0_svc+0x58/0x13c [ 71.093545][ T4976] el0_svc+0x78/0x1d0 [ 71.094195][ T4976] el0t_64_sync_handler+0xcc/0xe4 [ 71.095029][ T4976] el0t_64_sync+0x1a0/0x1a4 [ 71.095758][ T4976] irq event stamp: 79294 [ 71.096411][ T4976] hardirqs last enabled at (79293): [] __up_console_sem+0xb4/0xfc [ 71.097953][ T4976] hardirqs last disabled at (79294): [] el1_dbg+0x24/0x80 [ 71.099303][ T4976] softirqs last enabled at (79208): [] handle_softirqs+0xa40/0xbe4 [ 71.100940][ T4976] softirqs last disabled at (79177): [] __irq_exit_rcu+0x240/0x43c [ 71.102520][ T4976] ---[ end trace c10ef22cdb0ed2ce ]--- [ 71.105114][ T4976] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 71.106871][ T4976] BTRFS info (device loop0): forced readonly [ 71.107854][ T4976] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 71.109681][ T4976] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 71.111487][ T4976] BTRFS info (device loop0): balance: ended with status: -30 [ 71.254607][ T4998] loop0: detected capacity change from 0 to 32768 [ 71.274417][ T136] device hsr_slave_0 left promiscuous mode [ 71.293903][ T4998] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.18 (4998) [ 71.312462][ T136] device hsr_slave_1 left promiscuous mode [ 71.333876][ T4998] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.335409][ T4998] BTRFS info (device loop0): using free space tree [ 71.336544][ T4998] BTRFS info (device loop0): has skinny extents [ 71.345404][ T4998] BTRFS info (device loop0): enabling ssd optimizations [ 71.350389][ T4998] BTRFS info (device loop0): balance: start -s [ 71.352074][ T4998] ------------[ cut here ]------------ [ 71.353497][ T4998] WARNING: CPU: 1 PID: 4998 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.355458][ T4998] Modules linked in: [ 71.356065][ T4998] CPU: 1 PID: 4998 Comm: syz.0.18 Tainted: G W syzkaller #0 [ 71.357450][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 71.359204][ T4998] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.360584][ T4998] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.361813][ T4998] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.363022][ T4998] sp : ffff80001f447540 [ 71.363738][ T4998] x29: ffff80001f447710 x28: ffff0000ce7099b0 x27: 1fffe0001bcbe622 [ 71.365098][ T4998] x26: 1fffe00019ce130b x25: ffff0000ce709850 x24: dfff800000000000 [ 71.366572][ T4998] x23: ffff0000de5f3108 x22: 1fffe00019ce130a x21: ffff0000ce709858 [ 71.367999][ T4998] x20: 00000000ffffffe4 x19: ffff0000d70219d0 x18: 0000000000000001 [ 71.369273][ T4998] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 71.370735][ T4998] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 71.372051][ T4998] x11: 0000000000000000 x10: 0000000000000000 x9 : c1b1d46ea0651f00 [ 71.373313][ T4998] x8 : c1b1d46ea0651f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.374658][ T4998] x5 : ffff80001f446e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 71.376068][ T4998] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.377398][ T4998] Call trace: [ 71.377979][ T4998] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.379117][ T4998] __btrfs_end_transaction+0x13c/0x5f0 [ 71.380118][ T4998] btrfs_end_transaction+0x24/0x34 [ 71.380979][ T4998] btrfs_inc_block_group_ro+0x4ec/0x558 [ 71.381873][ T4998] btrfs_relocate_block_group+0x2b8/0x8a4 [ 71.382852][ T4998] btrfs_relocate_chunk+0xb8/0x280 [ 71.383757][ T4998] __btrfs_balance+0x112c/0x1b9c [ 71.384566][ T4998] btrfs_balance+0xac8/0x113c [ 71.385319][ T4998] btrfs_ioctl_balance+0x4cc/0x658 [ 71.386153][ T4998] btrfs_ioctl+0x20c/0xa8c [ 71.386904][ T4998] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.387744][ T4998] invoke_syscall+0x98/0x2b0 [ 71.388579][ T4998] el0_svc_common+0x138/0x258 [ 71.389373][ T4998] do_el0_svc+0x58/0x13c [ 71.390102][ T4998] el0_svc+0x78/0x1d0 [ 71.390823][ T4998] el0t_64_sync_handler+0xcc/0xe4 [ 71.391649][ T4998] el0t_64_sync+0x1a0/0x1a4 [ 71.392387][ T4998] irq event stamp: 79694 [ 71.393148][ T4998] hardirqs last enabled at (79693): [] __up_console_sem+0xb4/0xfc [ 71.394639][ T4998] hardirqs last disabled at (79694): [] el1_dbg+0x24/0x80 [ 71.396072][ T4998] softirqs last enabled at (79682): [] handle_softirqs+0xa40/0xbe4 [ 71.397644][ T4998] softirqs last disabled at (79665): [] __irq_exit_rcu+0x240/0x43c [ 71.399274][ T4998] ---[ end trace c10ef22cdb0ed2cf ]--- [ 71.401404][ T4998] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 71.403320][ T4998] BTRFS info (device loop0): forced readonly [ 71.404391][ T4998] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 71.406208][ T4998] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 71.408029][ T4998] BTRFS info (device loop0): balance: ended with status: -30 [ 71.414418][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 71.415698][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 71.417993][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 71.419283][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 71.420941][ T136] device bridge_slave_1 left promiscuous mode [ 71.421891][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.464301][ T136] device bridge_slave_0 left promiscuous mode [ 71.465581][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.543591][ T5020] loop0: detected capacity change from 0 to 32768 [ 71.592397][ T136] device veth1_macvtap left promiscuous mode [ 71.593591][ T136] device veth0_macvtap left promiscuous mode [ 71.594687][ T136] device veth1_vlan left promiscuous mode [ 71.594747][ T5020] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.19 (5020) [ 71.595630][ T136] device veth0_vlan left promiscuous mode [ 71.634705][ T5020] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.636312][ T5020] BTRFS info (device loop0): using free space tree [ 71.637408][ T5020] BTRFS info (device loop0): has skinny extents [ 71.699253][ T5020] BTRFS info (device loop0): enabling ssd optimizations [ 71.704962][ T5020] BTRFS info (device loop0): balance: start -s [ 71.706778][ T5020] ------------[ cut here ]------------ [ 71.707706][ T5020] WARNING: CPU: 0 PID: 5020 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.709586][ T5020] Modules linked in: [ 71.710227][ T5020] CPU: 0 PID: 5020 Comm: syz.0.19 Tainted: G W syzkaller #0 [ 71.711824][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 71.713544][ T5020] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.714931][ T5020] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.716071][ T5020] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.717190][ T5020] sp : ffff80001f8c7540 [ 71.717916][ T5020] x29: ffff80001f8c7710 x28: ffff0000cd2441b0 x27: 1fffe0001bcde87a [ 71.719334][ T5020] x26: 1fffe00019a4880b x25: ffff0000cd244050 x24: dfff800000000000 [ 71.720744][ T5020] x23: ffff0000de6f43c8 x22: 1fffe00019a4880a x21: ffff0000cd244058 [ 71.722103][ T5020] x20: 00000000ffffffe4 x19: ffff0000d3d259d0 x18: 0000000000000001 [ 71.723388][ T5020] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 71.724734][ T5020] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 71.726151][ T5020] x11: 0000000000000000 x10: 0000000000000000 x9 : bc76cdefc7894000 [ 71.727447][ T5020] x8 : bc76cdefc7894000 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.728803][ T5020] x5 : ffff80001f8c6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 71.730152][ T5020] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.731529][ T5020] Call trace: [ 71.732010][ T5020] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.733113][ T5020] __btrfs_end_transaction+0x13c/0x5f0 [ 71.733945][ T5020] btrfs_end_transaction+0x24/0x34 [ 71.734725][ T5020] btrfs_inc_block_group_ro+0x4ec/0x558 [ 71.735712][ T5020] btrfs_relocate_block_group+0x2b8/0x8a4 [ 71.736687][ T5020] btrfs_relocate_chunk+0xb8/0x280 [ 71.737556][ T5020] __btrfs_balance+0x112c/0x1b9c [ 71.738357][ T5020] btrfs_balance+0xac8/0x113c [ 71.739200][ T5020] btrfs_ioctl_balance+0x4cc/0x658 [ 71.740098][ T5020] btrfs_ioctl+0x20c/0xa8c [ 71.740856][ T5020] __arm64_sys_ioctl+0x14c/0x1c8 [ 71.741696][ T5020] invoke_syscall+0x98/0x2b0 [ 71.742470][ T5020] el0_svc_common+0x138/0x258 [ 71.743234][ T5020] do_el0_svc+0x58/0x13c [ 71.743913][ T5020] el0_svc+0x78/0x1d0 [ 71.744587][ T5020] el0t_64_sync_handler+0xcc/0xe4 [ 71.745453][ T5020] el0t_64_sync+0x1a0/0x1a4 [ 71.746201][ T5020] irq event stamp: 80320 [ 71.746885][ T5020] hardirqs last enabled at (80319): [] __up_console_sem+0xb4/0xfc [ 71.748490][ T5020] hardirqs last disabled at (80320): [] el1_dbg+0x24/0x80 [ 71.749817][ T5020] softirqs last enabled at (79850): [] local_bh_enable+0x10/0x34 [ 71.751365][ T5020] softirqs last disabled at (79848): [] local_bh_disable+0x10/0x34 [ 71.752933][ T5020] ---[ end trace c10ef22cdb0ed2d0 ]--- [ 71.755008][ T5020] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 71.755670][ T136] team0 (unregistering): Port device team_slave_1 removed [ 71.756759][ T5020] BTRFS info (device loop0): forced readonly [ 71.758890][ T5020] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 71.760746][ T5020] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 71.760901][ T136] team0 (unregistering): Port device team_slave_0 removed [ 71.762889][ T5020] BTRFS info (device loop0): balance: ended with status: -30 [ 71.775992][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 71.806320][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 71.916028][ T136] bond0 (unregistering): Released all slaves [ 71.918161][ T5046] loop0: detected capacity change from 0 to 32768 [ 71.946802][ T5046] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.20 (5046) [ 71.950153][ T5046] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 71.951615][ T5046] BTRFS info (device loop0): using free space tree [ 71.953067][ T5046] BTRFS info (device loop0): has skinny extents [ 71.960998][ T5046] BTRFS info (device loop0): enabling ssd optimizations [ 71.966159][ T5046] BTRFS info (device loop0): balance: start -s [ 71.967568][ T5046] ------------[ cut here ]------------ [ 71.968571][ T5046] WARNING: CPU: 1 PID: 5046 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.970411][ T5046] Modules linked in: [ 71.971102][ T5046] CPU: 1 PID: 5046 Comm: syz.0.20 Tainted: G W syzkaller #0 [ 71.972547][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 71.974268][ T5046] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 71.975574][ T5046] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.976728][ T5046] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.977897][ T5046] sp : ffff80001fa57540 [ 71.978622][ T5046] x29: ffff80001fa57710 x28: ffff0000ca54f1b0 x27: 1fffe0001bcbe64e [ 71.979975][ T5046] x26: 1fffe000194a9e0b x25: ffff0000ca54f050 x24: dfff800000000000 [ 71.981274][ T5046] x23: ffff0000de5f3268 x22: 1fffe000194a9e0a x21: ffff0000ca54f058 [ 71.982582][ T5046] x20: 00000000ffffffe4 x19: ffff0000d2d599d0 x18: 0000000000000001 [ 71.983937][ T5046] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 71.985315][ T5046] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 71.986617][ T5046] x11: 0000000000000000 x10: 0000000000000000 x9 : 645c0f6fc8514000 [ 71.987958][ T5046] x8 : 645c0f6fc8514000 x7 : 0000000000000001 x6 : 0000000000000001 [ 71.989261][ T5046] x5 : ffff80001fa56e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 71.990589][ T5046] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 71.991886][ T5046] Call trace: [ 71.992410][ T5046] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 71.993452][ T5046] __btrfs_end_transaction+0x13c/0x5f0 [ 71.994418][ T5046] btrfs_end_transaction+0x24/0x34 [ 71.995326][ T5046] btrfs_inc_block_group_ro+0x4ec/0x558 [ 71.996273][ T5046] btrfs_relocate_block_group+0x2b8/0x8a4 [ 71.997303][ T5046] btrfs_relocate_chunk+0xb8/0x280 [ 71.998215][ T5046] __btrfs_balance+0x112c/0x1b9c [ 71.999040][ T5046] btrfs_balance+0xac8/0x113c [ 71.999836][ T5046] btrfs_ioctl_balance+0x4cc/0x658 [ 72.000680][ T5046] btrfs_ioctl+0x20c/0xa8c [ 72.001410][ T5046] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.002250][ T5046] invoke_syscall+0x98/0x2b0 [ 72.003099][ T5046] el0_svc_common+0x138/0x258 [ 72.003939][ T5046] do_el0_svc+0x58/0x13c [ 72.004656][ T5046] el0_svc+0x78/0x1d0 [ 72.005369][ T5046] el0t_64_sync_handler+0xcc/0xe4 [ 72.006244][ T5046] el0t_64_sync+0x1a0/0x1a4 [ 72.006987][ T5046] irq event stamp: 79888 [ 72.007748][ T5046] hardirqs last enabled at (79887): [] __up_console_sem+0xb4/0xfc [ 72.009382][ T5046] hardirqs last disabled at (79888): [] el1_dbg+0x24/0x80 [ 72.010789][ T5046] softirqs last enabled at (79756): [] local_bh_enable+0x10/0x34 [ 72.012423][ T5046] softirqs last disabled at (79754): [] local_bh_disable+0x10/0x34 [ 72.014031][ T5046] ---[ end trace c10ef22cdb0ed2d1 ]--- [ 72.016849][ T5046] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 72.018708][ T5046] BTRFS info (device loop0): forced readonly [ 72.019811][ T5046] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 72.021675][ T5046] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 72.023611][ T5046] BTRFS info (device loop0): balance: ended with status: -30 [ 72.165757][ T5072] loop0: detected capacity change from 0 to 32768 [ 72.245022][ T5072] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.21 (5072) [ 72.248271][ T5072] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.249727][ T5072] BTRFS info (device loop0): using free space tree [ 72.250835][ T5072] BTRFS info (device loop0): has skinny extents [ 72.264176][ T5072] BTRFS info (device loop0): enabling ssd optimizations [ 72.274363][ T5072] BTRFS info (device loop0): balance: start -s [ 72.275970][ T5072] ------------[ cut here ]------------ [ 72.276951][ T5072] WARNING: CPU: 1 PID: 5072 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.278717][ T5072] Modules linked in: [ 72.279436][ T5072] CPU: 1 PID: 5072 Comm: syz.0.21 Tainted: G W syzkaller #0 [ 72.280885][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 72.282514][ T5072] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.283941][ T5072] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.285033][ T5072] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.286192][ T5072] sp : ffff80001fc57540 [ 72.286910][ T5072] x29: ffff80001fc57710 x28: ffff0000d6dfb1b0 x27: 1fffe0001bcbe664 [ 72.288278][ T5072] x26: 1fffe0001adbf60b x25: ffff0000d6dfb050 x24: dfff800000000000 [ 72.289707][ T5072] x23: ffff0000de5f3318 x22: 1fffe0001adbf60a x21: ffff0000d6dfb058 [ 72.291015][ T5072] x20: 00000000ffffffe4 x19: ffff0000db24d9d0 x18: 0000000000000001 [ 72.292354][ T5072] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 72.293761][ T5072] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 72.295148][ T5072] x11: 0000000000000000 x10: 0000000000000000 x9 : 0c1472f71a3d2e00 [ 72.296495][ T5072] x8 : 0c1472f71a3d2e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.297858][ T5072] x5 : ffff80001fc56e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 72.299265][ T5072] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.300566][ T5072] Call trace: [ 72.301094][ T5072] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.302076][ T5072] __btrfs_end_transaction+0x13c/0x5f0 [ 72.302980][ T5072] btrfs_end_transaction+0x24/0x34 [ 72.303838][ T5072] btrfs_inc_block_group_ro+0x4ec/0x558 [ 72.304800][ T5072] btrfs_relocate_block_group+0x2b8/0x8a4 [ 72.305760][ T5072] btrfs_relocate_chunk+0xb8/0x280 [ 72.306590][ T5072] __btrfs_balance+0x112c/0x1b9c [ 72.307445][ T5072] btrfs_balance+0xac8/0x113c [ 72.308229][ T5072] btrfs_ioctl_balance+0x4cc/0x658 [ 72.309092][ T5072] btrfs_ioctl+0x20c/0xa8c [ 72.309796][ T5072] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.310678][ T5072] invoke_syscall+0x98/0x2b0 [ 72.311427][ T5072] el0_svc_common+0x138/0x258 [ 72.312246][ T5072] do_el0_svc+0x58/0x13c [ 72.313000][ T5072] el0_svc+0x78/0x1d0 [ 72.313678][ T5072] el0t_64_sync_handler+0xcc/0xe4 [ 72.314497][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 72.315243][ T5072] irq event stamp: 79694 [ 72.315930][ T5072] hardirqs last enabled at (79693): [] __up_console_sem+0xb4/0xfc [ 72.317639][ T5072] hardirqs last disabled at (79694): [] el1_dbg+0x24/0x80 [ 72.319123][ T5072] softirqs last enabled at (79526): [] local_bh_enable+0x10/0x34 [ 72.320841][ T5072] softirqs last disabled at (79524): [] local_bh_disable+0x10/0x34 [ 72.322442][ T5072] ---[ end trace c10ef22cdb0ed2d2 ]--- [ 72.324378][ T5072] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 72.326748][ T5072] BTRFS info (device loop0): forced readonly [ 72.327959][ T5072] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 72.329754][ T5072] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 72.331553][ T5072] BTRFS info (device loop0): balance: ended with status: -30 [ 72.473030][ T5094] loop0: detected capacity change from 0 to 32768 [ 72.476141][ T5094] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.22 (5094) [ 72.479255][ T5094] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.480547][ T5094] BTRFS info (device loop0): using free space tree [ 72.481950][ T5094] BTRFS info (device loop0): has skinny extents [ 72.498596][ T5094] BTRFS info (device loop0): enabling ssd optimizations [ 72.504092][ T5094] BTRFS info (device loop0): balance: start -s [ 72.505494][ T5094] ------------[ cut here ]------------ [ 72.506577][ T5094] WARNING: CPU: 0 PID: 5094 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.508479][ T5094] Modules linked in: [ 72.509157][ T5094] CPU: 0 PID: 5094 Comm: syz.0.22 Tainted: G W syzkaller #0 [ 72.510680][ T5094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 72.512405][ T5094] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.513820][ T5094] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.514995][ T5094] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.516114][ T5094] sp : ffff80001fc57540 [ 72.516839][ T5094] x29: ffff80001fc57710 x28: ffff0000d3c211b0 x27: 1fffe0001bcde8bc [ 72.518249][ T5094] x26: 1fffe0001a78420b x25: ffff0000d3c21050 x24: dfff800000000000 [ 72.519677][ T5094] x23: ffff0000de6f45d8 x22: 1fffe0001a78420a x21: ffff0000d3c21058 [ 72.521081][ T5094] x20: 00000000ffffffe4 x19: ffff0000d86d99d0 x18: 0000000000000001 [ 72.522415][ T5094] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 72.523751][ T5094] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 72.525041][ T5094] x11: 0000000000000000 x10: 0000000000000000 x9 : f88cdad04b396000 [ 72.526261][ T5094] x8 : f88cdad04b396000 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.527564][ T5094] x5 : ffff80001fc56e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 72.528838][ T5094] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.530125][ T5094] Call trace: [ 72.530718][ T5094] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.531746][ T5094] __btrfs_end_transaction+0x13c/0x5f0 [ 72.532689][ T5094] btrfs_end_transaction+0x24/0x34 [ 72.533536][ T5094] btrfs_inc_block_group_ro+0x4ec/0x558 [ 72.534528][ T5094] btrfs_relocate_block_group+0x2b8/0x8a4 [ 72.535452][ T5094] btrfs_relocate_chunk+0xb8/0x280 [ 72.536351][ T5094] __btrfs_balance+0x112c/0x1b9c [ 72.537226][ T5094] btrfs_balance+0xac8/0x113c [ 72.538034][ T5094] btrfs_ioctl_balance+0x4cc/0x658 [ 72.538875][ T5094] btrfs_ioctl+0x20c/0xa8c [ 72.539619][ T5094] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.540445][ T5094] invoke_syscall+0x98/0x2b0 [ 72.541203][ T5094] el0_svc_common+0x138/0x258 [ 72.541930][ T5094] do_el0_svc+0x58/0x13c [ 72.542673][ T5094] el0_svc+0x78/0x1d0 [ 72.543334][ T5094] el0t_64_sync_handler+0xcc/0xe4 [ 72.544322][ T5094] el0t_64_sync+0x1a0/0x1a4 [ 72.545142][ T5094] irq event stamp: 79910 [ 72.545830][ T5094] hardirqs last enabled at (79909): [] __up_console_sem+0xb4/0xfc [ 72.547476][ T5094] hardirqs last disabled at (79910): [] el1_dbg+0x24/0x80 [ 72.548885][ T5094] softirqs last enabled at (79784): [] local_bh_enable+0x10/0x34 [ 72.550525][ T5094] softirqs last disabled at (79782): [] local_bh_disable+0x10/0x34 [ 72.552144][ T5094] ---[ end trace c10ef22cdb0ed2d3 ]--- [ 72.554467][ T5094] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 72.556232][ T5094] BTRFS info (device loop0): forced readonly [ 72.557279][ T5094] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 72.559075][ T5094] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 72.560995][ T5094] BTRFS info (device loop0): balance: ended with status: -30 [ 72.707107][ T5119] loop0: detected capacity change from 0 to 32768 [ 72.761114][ T5119] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.23 (5119) [ 72.768098][ T5119] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 72.769637][ T5119] BTRFS info (device loop0): using free space tree [ 72.770838][ T5119] BTRFS info (device loop0): has skinny extents [ 72.778919][ T5119] BTRFS info (device loop0): enabling ssd optimizations [ 72.784892][ T5119] BTRFS info (device loop0): balance: start -s [ 72.786193][ T5119] ------------[ cut here ]------------ [ 72.787304][ T5119] WARNING: CPU: 1 PID: 5119 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.789193][ T5119] Modules linked in: [ 72.789797][ T5119] CPU: 1 PID: 5119 Comm: syz.0.23 Tainted: G W syzkaller #0 [ 72.791198][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 72.792908][ T5119] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 72.794352][ T5119] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.795600][ T5119] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.796740][ T5119] sp : ffff800020307540 [ 72.797481][ T5119] x29: ffff800020307710 x28: ffff0000cd8ad9b0 x27: 1fffe0001bcbe690 [ 72.798879][ T5119] x26: 1fffe00019b15b0b x25: ffff0000cd8ad850 x24: dfff800000000000 [ 72.800252][ T5119] x23: ffff0000de5f3478 x22: 1fffe00019b15b0a x21: ffff0000cd8ad858 [ 72.801566][ T5119] x20: 00000000ffffffe4 x19: ffff0000db0ed9d0 x18: 0000000000000001 [ 72.802865][ T5119] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 72.804217][ T5119] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 72.805558][ T5119] x11: 0000000000000000 x10: 0000000000000000 x9 : e95eb470480bf500 [ 72.806891][ T5119] x8 : e95eb470480bf500 x7 : 0000000000000001 x6 : 0000000000000001 [ 72.808216][ T5119] x5 : ffff800020306e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 72.809568][ T5119] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 72.810802][ T5119] Call trace: [ 72.811349][ T5119] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 72.812448][ T5119] __btrfs_end_transaction+0x13c/0x5f0 [ 72.813352][ T5119] btrfs_end_transaction+0x24/0x34 [ 72.814231][ T5119] btrfs_inc_block_group_ro+0x4ec/0x558 [ 72.815169][ T5119] btrfs_relocate_block_group+0x2b8/0x8a4 [ 72.816120][ T5119] btrfs_relocate_chunk+0xb8/0x280 [ 72.817079][ T5119] __btrfs_balance+0x112c/0x1b9c [ 72.817931][ T5119] btrfs_balance+0xac8/0x113c [ 72.818753][ T5119] btrfs_ioctl_balance+0x4cc/0x658 [ 72.819577][ T5119] btrfs_ioctl+0x20c/0xa8c [ 72.820302][ T5119] __arm64_sys_ioctl+0x14c/0x1c8 [ 72.821167][ T5119] invoke_syscall+0x98/0x2b0 [ 72.821889][ T5119] el0_svc_common+0x138/0x258 [ 72.822673][ T5119] do_el0_svc+0x58/0x13c [ 72.823465][ T5119] el0_svc+0x78/0x1d0 [ 72.824136][ T5119] el0t_64_sync_handler+0xcc/0xe4 [ 72.825012][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 72.825763][ T5119] irq event stamp: 79868 [ 72.826476][ T5119] hardirqs last enabled at (79867): [] __up_console_sem+0xb4/0xfc [ 72.828046][ T5119] hardirqs last disabled at (79868): [] el1_dbg+0x24/0x80 [ 72.829636][ T5119] softirqs last enabled at (79724): [] local_bh_enable+0x10/0x34 [ 72.831231][ T5119] softirqs last disabled at (79722): [] local_bh_disable+0x10/0x34 [ 72.832943][ T5119] ---[ end trace c10ef22cdb0ed2d4 ]--- [ 72.836014][ T5119] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 72.837962][ T5119] BTRFS info (device loop0): forced readonly [ 72.839127][ T5119] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 72.840988][ T5119] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 72.843031][ T5119] BTRFS info (device loop0): balance: ended with status: -30 [ 72.997470][ T5141] loop0: detected capacity change from 0 to 32768 [ 73.003391][ T5141] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.24 (5141) [ 73.007816][ T5141] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.009271][ T5141] BTRFS info (device loop0): using free space tree [ 73.010274][ T5141] BTRFS info (device loop0): has skinny extents [ 73.025129][ T5141] BTRFS info (device loop0): enabling ssd optimizations [ 73.029636][ T5141] BTRFS info (device loop0): balance: start -s [ 73.031149][ T5141] ------------[ cut here ]------------ [ 73.032176][ T5141] WARNING: CPU: 1 PID: 5141 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.033991][ T5141] Modules linked in: [ 73.034603][ T5141] CPU: 1 PID: 5141 Comm: syz.0.24 Tainted: G W syzkaller #0 [ 73.035944][ T5141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.037617][ T5141] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.038960][ T5141] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.040088][ T5141] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.041202][ T5141] sp : ffff8000201b7540 [ 73.041939][ T5141] x29: ffff8000201b7710 x28: ffff0000cbdf71b0 x27: 1fffe0001bcbe6bc [ 73.043384][ T5141] x26: 1fffe000197bee0b x25: ffff0000cbdf7050 x24: dfff800000000000 [ 73.044736][ T5141] x23: ffff0000de5f35d8 x22: 1fffe000197bee0a x21: ffff0000cbdf7058 [ 73.046067][ T5141] x20: 00000000ffffffe4 x19: ffff0000db0ed9d0 x18: 0000000000000001 [ 73.047446][ T5141] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.048800][ T5141] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 73.050139][ T5141] x11: 0000000000000000 x10: 0000000000000000 x9 : b39fbc872eb30c00 [ 73.051417][ T5141] x8 : b39fbc872eb30c00 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.052761][ T5141] x5 : ffff8000201b6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 73.054182][ T5141] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.055587][ T5141] Call trace: [ 73.056167][ T5141] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.057225][ T5141] __btrfs_end_transaction+0x13c/0x5f0 [ 73.058104][ T5141] btrfs_end_transaction+0x24/0x34 [ 73.058964][ T5141] btrfs_inc_block_group_ro+0x4ec/0x558 [ 73.059933][ T5141] btrfs_relocate_block_group+0x2b8/0x8a4 [ 73.060876][ T5141] btrfs_relocate_chunk+0xb8/0x280 [ 73.061814][ T5141] __btrfs_balance+0x112c/0x1b9c [ 73.062622][ T5141] btrfs_balance+0xac8/0x113c [ 73.063362][ T5141] btrfs_ioctl_balance+0x4cc/0x658 [ 73.064240][ T5141] btrfs_ioctl+0x20c/0xa8c [ 73.064964][ T5141] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.065792][ T5141] invoke_syscall+0x98/0x2b0 [ 73.066582][ T5141] el0_svc_common+0x138/0x258 [ 73.067362][ T5141] do_el0_svc+0x58/0x13c [ 73.068174][ T5141] el0_svc+0x78/0x1d0 [ 73.068878][ T5141] el0t_64_sync_handler+0xcc/0xe4 [ 73.069739][ T5141] el0t_64_sync+0x1a0/0x1a4 [ 73.070505][ T5141] irq event stamp: 79682 [ 73.071220][ T5141] hardirqs last enabled at (79681): [] __up_console_sem+0xb4/0xfc [ 73.072850][ T5141] hardirqs last disabled at (79682): [] el1_dbg+0x24/0x80 [ 73.074220][ T5141] softirqs last enabled at (79550): [] local_bh_enable+0x10/0x34 [ 73.075778][ T5141] softirqs last disabled at (79548): [] local_bh_disable+0x10/0x34 [ 73.077401][ T5141] ---[ end trace c10ef22cdb0ed2d5 ]--- [ 73.079600][ T5141] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 73.081389][ T5141] BTRFS info (device loop0): forced readonly [ 73.082510][ T5141] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 73.084356][ T5141] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 73.086062][ T5141] BTRFS info (device loop0): balance: ended with status: -30 [ 73.133252][ T5069] Bluetooth: hci0: command 0x0419 tx timeout [ 73.274477][ T5164] loop0: detected capacity change from 0 to 32768 [ 73.292753][ T5164] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.25 (5164) [ 73.298940][ T5164] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.300349][ T5164] BTRFS info (device loop0): using free space tree [ 73.301530][ T5164] BTRFS info (device loop0): has skinny extents [ 73.412276][ T5164] BTRFS info (device loop0): enabling ssd optimizations [ 73.426087][ T5164] BTRFS info (device loop0): balance: start -s [ 73.427393][ T5164] ------------[ cut here ]------------ [ 73.428406][ T5164] WARNING: CPU: 0 PID: 5164 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.430273][ T5164] Modules linked in: [ 73.430912][ T5164] CPU: 0 PID: 5164 Comm: syz.0.25 Tainted: G W syzkaller #0 [ 73.432456][ T5164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.434146][ T5164] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.435480][ T5164] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.436571][ T5164] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.437726][ T5164] sp : ffff800020677540 [ 73.438438][ T5164] x29: ffff800020677710 x28: ffff0000cb8629b0 x27: 1fffe0001bcde8e8 [ 73.439780][ T5164] x26: 1fffe0001970c50b x25: ffff0000cb862850 x24: dfff800000000000 [ 73.441041][ T5164] x23: ffff0000de6f4738 x22: 1fffe0001970c50a x21: ffff0000cb862858 [ 73.442439][ T5164] x20: 00000000ffffffe4 x19: ffff0000dcb999d0 x18: 0000000000000001 [ 73.443926][ T5164] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.445414][ T5164] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 73.446804][ T5164] x11: 0000000000000000 x10: 0000000000000000 x9 : 0366d72b53ab1800 [ 73.448186][ T5164] x8 : 0366d72b53ab1800 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.449525][ T5164] x5 : ffff800020676e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 73.450870][ T5164] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.452254][ T5164] Call trace: [ 73.452797][ T5164] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.453870][ T5164] __btrfs_end_transaction+0x13c/0x5f0 [ 73.454775][ T5164] btrfs_end_transaction+0x24/0x34 [ 73.455665][ T5164] btrfs_inc_block_group_ro+0x4ec/0x558 [ 73.456606][ T5164] btrfs_relocate_block_group+0x2b8/0x8a4 [ 73.457531][ T5164] btrfs_relocate_chunk+0xb8/0x280 [ 73.458438][ T5164] __btrfs_balance+0x112c/0x1b9c [ 73.459287][ T5164] btrfs_balance+0xac8/0x113c [ 73.460099][ T5164] btrfs_ioctl_balance+0x4cc/0x658 [ 73.460953][ T5164] btrfs_ioctl+0x20c/0xa8c [ 73.461710][ T5164] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.462478][ T5164] invoke_syscall+0x98/0x2b0 [ 73.463235][ T5164] el0_svc_common+0x138/0x258 [ 73.464024][ T5164] do_el0_svc+0x58/0x13c [ 73.464707][ T5164] el0_svc+0x78/0x1d0 [ 73.465358][ T5164] el0t_64_sync_handler+0xcc/0xe4 [ 73.466116][ T5164] el0t_64_sync+0x1a0/0x1a4 [ 73.466806][ T5164] irq event stamp: 79562 [ 73.467452][ T5164] hardirqs last enabled at (79561): [] __up_console_sem+0xb4/0xfc [ 73.468958][ T5164] hardirqs last disabled at (79562): [] el1_dbg+0x24/0x80 [ 73.470456][ T5164] softirqs last enabled at (79434): [] local_bh_enable+0x10/0x34 [ 73.472087][ T5164] softirqs last disabled at (79432): [] local_bh_disable+0x10/0x34 [ 73.473781][ T5164] ---[ end trace c10ef22cdb0ed2d6 ]--- [ 73.488781][ T5164] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 73.503001][ T5164] BTRFS info (device loop0): forced readonly [ 73.504167][ T5164] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 73.506113][ T5164] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 73.512937][ T5164] BTRFS info (device loop0): balance: ended with status: -30 [ 73.688928][ T5189] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.26 (5189) [ 73.692998][ T5189] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 73.694422][ T5189] BTRFS info (device loop0): using free space tree [ 73.695537][ T5189] BTRFS info (device loop0): has skinny extents [ 73.723078][ T5189] BTRFS info (device loop0): enabling ssd optimizations [ 73.728688][ T5189] BTRFS info (device loop0): balance: start -s [ 73.729997][ T5189] ------------[ cut here ]------------ [ 73.730991][ T5189] WARNING: CPU: 0 PID: 5189 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.732776][ T5189] Modules linked in: [ 73.733399][ T5189] CPU: 0 PID: 5189 Comm: syz.0.26 Tainted: G W syzkaller #0 [ 73.734921][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.736480][ T5189] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 73.737752][ T5189] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.738921][ T5189] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.740111][ T5189] sp : ffff800020547540 [ 73.740790][ T5189] x29: ffff800020547710 x28: ffff0000d7ce61b0 x27: 1fffe0001bcde914 [ 73.742192][ T5189] x26: 1fffe0001af9cc0b x25: ffff0000d7ce6050 x24: dfff800000000000 [ 73.743469][ T5189] x23: ffff0000de6f4898 x22: 1fffe0001af9cc0a x21: ffff0000d7ce6058 [ 73.744885][ T5189] x20: 00000000ffffffe4 x19: ffff0000d955d9d0 x18: 0000000000000001 [ 73.746137][ T5189] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 73.747454][ T5189] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 73.748849][ T5189] x11: 0000000000000000 x10: 0000000000000000 x9 : 397c7ed2c1c58300 [ 73.750224][ T5189] x8 : 397c7ed2c1c58300 x7 : 0000000000000001 x6 : 0000000000000001 [ 73.751548][ T5189] x5 : ffff800020546e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 73.752848][ T5189] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 73.753979][ T5189] Call trace: [ 73.754597][ T5189] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 73.755667][ T5189] __btrfs_end_transaction+0x13c/0x5f0 [ 73.756592][ T5189] btrfs_end_transaction+0x24/0x34 [ 73.757478][ T5189] btrfs_inc_block_group_ro+0x4ec/0x558 [ 73.758358][ T5189] btrfs_relocate_block_group+0x2b8/0x8a4 [ 73.759299][ T5189] btrfs_relocate_chunk+0xb8/0x280 [ 73.760165][ T5189] __btrfs_balance+0x112c/0x1b9c [ 73.760916][ T5189] btrfs_balance+0xac8/0x113c [ 73.761645][ T5189] btrfs_ioctl_balance+0x4cc/0x658 [ 73.762471][ T5189] btrfs_ioctl+0x20c/0xa8c [ 73.763108][ T5189] __arm64_sys_ioctl+0x14c/0x1c8 [ 73.763962][ T5189] invoke_syscall+0x98/0x2b0 [ 73.764747][ T5189] el0_svc_common+0x138/0x258 [ 73.765504][ T5189] do_el0_svc+0x58/0x13c [ 73.766156][ T5189] el0_svc+0x78/0x1d0 [ 73.766797][ T5189] el0t_64_sync_handler+0xcc/0xe4 [ 73.767619][ T5189] el0t_64_sync+0x1a0/0x1a4 [ 73.768350][ T5189] irq event stamp: 80184 [ 73.769019][ T5189] hardirqs last enabled at (80183): [] __up_console_sem+0xb4/0xfc [ 73.770535][ T5189] hardirqs last disabled at (80184): [] el1_dbg+0x24/0x80 [ 73.771837][ T5189] softirqs last enabled at (80024): [] local_bh_enable+0x10/0x34 [ 73.773436][ T5189] softirqs last disabled at (80022): [] local_bh_disable+0x10/0x34 [ 73.775073][ T5189] ---[ end trace c10ef22cdb0ed2d7 ]--- [ 73.777414][ T5189] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 73.779309][ T5189] BTRFS info (device loop0): forced readonly [ 73.780307][ T5189] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 73.782955][ T5189] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 73.784776][ T5189] BTRFS info (device loop0): balance: ended with status: -30 [ 74.004565][ T5211] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.27 (5211) [ 74.007817][ T5211] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.009199][ T5211] BTRFS info (device loop0): using free space tree [ 74.010246][ T5211] BTRFS info (device loop0): has skinny extents [ 74.022464][ T5211] BTRFS info (device loop0): enabling ssd optimizations [ 74.027174][ T5211] BTRFS info (device loop0): balance: start -s [ 74.028570][ T5211] ------------[ cut here ]------------ [ 74.029573][ T5211] WARNING: CPU: 1 PID: 5211 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.031439][ T5211] Modules linked in: [ 74.032063][ T5211] CPU: 1 PID: 5211 Comm: syz.0.27 Tainted: G W syzkaller #0 [ 74.033530][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.035258][ T5211] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.036657][ T5211] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.037682][ T5211] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.038848][ T5211] sp : ffff800020547540 [ 74.039534][ T5211] x29: ffff800020547710 x28: ffff0000d7f4f9b0 x27: 1fffe0001bcbe6e8 [ 74.040808][ T5211] x26: 1fffe0001afe9f0b x25: ffff0000d7f4f850 x24: dfff800000000000 [ 74.042237][ T5211] x23: ffff0000de5f3738 x22: 1fffe0001afe9f0a x21: ffff0000d7f4f858 [ 74.043684][ T5211] x20: 00000000ffffffe4 x19: ffff0000de1f99d0 x18: 0000000000000001 [ 74.045051][ T5211] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.046430][ T5211] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 74.047737][ T5211] x11: 0000000000000000 x10: 0000000000000000 x9 : 25aa9088832fbb00 [ 74.049061][ T5211] x8 : 25aa9088832fbb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.050323][ T5211] x5 : ffff800020546e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 74.051609][ T5211] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.052970][ T5211] Call trace: [ 74.053579][ T5211] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.054603][ T5211] __btrfs_end_transaction+0x13c/0x5f0 [ 74.055558][ T5211] btrfs_end_transaction+0x24/0x34 [ 74.056391][ T5211] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.057306][ T5211] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.058271][ T5211] btrfs_relocate_chunk+0xb8/0x280 [ 74.059102][ T5211] __btrfs_balance+0x112c/0x1b9c [ 74.059886][ T5211] btrfs_balance+0xac8/0x113c [ 74.060650][ T5211] btrfs_ioctl_balance+0x4cc/0x658 [ 74.061497][ T5211] btrfs_ioctl+0x20c/0xa8c [ 74.062210][ T5211] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.063007][ T5211] invoke_syscall+0x98/0x2b0 [ 74.063707][ T5211] el0_svc_common+0x138/0x258 [ 74.064441][ T5211] do_el0_svc+0x58/0x13c [ 74.065152][ T5211] el0_svc+0x78/0x1d0 [ 74.065822][ T5211] el0t_64_sync_handler+0xcc/0xe4 [ 74.066588][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 74.067334][ T5211] irq event stamp: 79722 [ 74.068079][ T5211] hardirqs last enabled at (79721): [] __up_console_sem+0xb4/0xfc [ 74.069796][ T5211] hardirqs last disabled at (79722): [] el1_dbg+0x24/0x80 [ 74.071370][ T5211] softirqs last enabled at (79572): [] local_bh_enable+0x10/0x34 [ 74.072910][ T5211] softirqs last disabled at (79570): [] local_bh_disable+0x10/0x34 [ 74.074481][ T5211] ---[ end trace c10ef22cdb0ed2d8 ]--- [ 74.076603][ T5211] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.078512][ T5211] BTRFS info (device loop0): forced readonly [ 74.079627][ T5211] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.081529][ T5211] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.083550][ T5211] BTRFS info (device loop0): balance: ended with status: -30 [ 74.222843][ T5233] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.28 (5233) [ 74.226100][ T5233] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.227535][ T5233] BTRFS info (device loop0): using free space tree [ 74.228585][ T5233] BTRFS info (device loop0): has skinny extents [ 74.243422][ T5233] BTRFS info (device loop0): enabling ssd optimizations [ 74.248340][ T5233] BTRFS info (device loop0): balance: start -s [ 74.249721][ T5233] ------------[ cut here ]------------ [ 74.250818][ T5233] WARNING: CPU: 1 PID: 5233 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.252609][ T5233] Modules linked in: [ 74.253233][ T5233] CPU: 1 PID: 5233 Comm: syz.0.28 Tainted: G W syzkaller #0 [ 74.254736][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.256372][ T5233] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.257630][ T5233] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.258746][ T5233] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.259854][ T5233] sp : ffff8000201b7540 [ 74.260541][ T5233] x29: ffff8000201b7710 x28: ffff0000d7ec09b0 x27: 1fffe0001bcbe714 [ 74.261824][ T5233] x26: 1fffe0001afd810b x25: ffff0000d7ec0850 x24: dfff800000000000 [ 74.263168][ T5233] x23: ffff0000de5f3898 x22: 1fffe0001afd810a x21: ffff0000d7ec0858 [ 74.264525][ T5233] x20: 00000000ffffffe4 x19: ffff0000cdb459d0 x18: 0000000000000001 [ 74.265902][ T5233] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.267217][ T5233] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 74.268600][ T5233] x11: 0000000000000000 x10: 0000000000000000 x9 : d76371c0df8cb500 [ 74.269951][ T5233] x8 : d76371c0df8cb500 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.271326][ T5233] x5 : ffff8000201b6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 74.272702][ T5233] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.274060][ T5233] Call trace: [ 74.274580][ T5233] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.275625][ T5233] __btrfs_end_transaction+0x13c/0x5f0 [ 74.276529][ T5233] btrfs_end_transaction+0x24/0x34 [ 74.277430][ T5233] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.278404][ T5233] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.279414][ T5233] btrfs_relocate_chunk+0xb8/0x280 [ 74.280264][ T5233] __btrfs_balance+0x112c/0x1b9c [ 74.281036][ T5233] btrfs_balance+0xac8/0x113c [ 74.281830][ T5233] btrfs_ioctl_balance+0x4cc/0x658 [ 74.282648][ T5233] btrfs_ioctl+0x20c/0xa8c [ 74.283365][ T5233] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.284123][ T5233] invoke_syscall+0x98/0x2b0 [ 74.284931][ T5233] el0_svc_common+0x138/0x258 [ 74.285740][ T5233] do_el0_svc+0x58/0x13c [ 74.286476][ T5233] el0_svc+0x78/0x1d0 [ 74.287122][ T5233] el0t_64_sync_handler+0xcc/0xe4 [ 74.287980][ T5233] el0t_64_sync+0x1a0/0x1a4 [ 74.288747][ T5233] irq event stamp: 79256 [ 74.289430][ T5233] hardirqs last enabled at (79255): [] __up_console_sem+0xb4/0xfc [ 74.290959][ T5233] hardirqs last disabled at (79256): [] el1_dbg+0x24/0x80 [ 74.292351][ T5233] softirqs last enabled at (79132): [] local_bh_enable+0x10/0x34 [ 74.293841][ T5233] softirqs last disabled at (79130): [] local_bh_disable+0x10/0x34 [ 74.295434][ T5233] ---[ end trace c10ef22cdb0ed2d9 ]--- [ 74.297565][ T5233] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.299375][ T5233] BTRFS info (device loop0): forced readonly [ 74.300322][ T5233] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.302188][ T5233] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.304653][ T5233] BTRFS info (device loop0): balance: ended with status: -30 [ 74.448721][ T5256] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.29 (5256) [ 74.453430][ T5256] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.454835][ T5256] BTRFS info (device loop0): using free space tree [ 74.455928][ T5256] BTRFS info (device loop0): has skinny extents [ 74.471991][ T5256] BTRFS info (device loop0): enabling ssd optimizations [ 74.476570][ T5256] BTRFS info (device loop0): balance: start -s [ 74.477933][ T5256] ------------[ cut here ]------------ [ 74.478966][ T5256] WARNING: CPU: 0 PID: 5256 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.480907][ T5256] Modules linked in: [ 74.481611][ T5256] CPU: 0 PID: 5256 Comm: syz.0.29 Tainted: G W syzkaller #0 [ 74.483020][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.484768][ T5256] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.486175][ T5256] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.487313][ T5256] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.488414][ T5256] sp : ffff8000201b7540 [ 74.489113][ T5256] x29: ffff8000201b7710 x28: ffff0000cb6649b0 x27: 1fffe0001bcde80c [ 74.490519][ T5256] x26: 1fffe000196cc90b x25: ffff0000cb664850 x24: dfff800000000000 [ 74.491904][ T5256] x23: ffff0000de6f4058 x22: 1fffe000196cc90a x21: ffff0000cb664858 [ 74.493287][ T5256] x20: 00000000ffffffe4 x19: ffff0000d6db59d0 x18: 0000000000000001 [ 74.494671][ T5256] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.495998][ T5256] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 74.497310][ T5256] x11: 0000000000000000 x10: 0000000000000000 x9 : 319c4cd6f11c5600 [ 74.498716][ T5256] x8 : 319c4cd6f11c5600 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.500141][ T5256] x5 : ffff8000201b6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 74.501480][ T5256] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.502877][ T5256] Call trace: [ 74.503425][ T5256] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.504489][ T5256] __btrfs_end_transaction+0x13c/0x5f0 [ 74.505415][ T5256] btrfs_end_transaction+0x24/0x34 [ 74.506284][ T5256] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.507219][ T5256] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.508161][ T5256] btrfs_relocate_chunk+0xb8/0x280 [ 74.509036][ T5256] __btrfs_balance+0x112c/0x1b9c [ 74.509931][ T5256] btrfs_balance+0xac8/0x113c [ 74.510714][ T5256] btrfs_ioctl_balance+0x4cc/0x658 [ 74.511528][ T5256] btrfs_ioctl+0x20c/0xa8c [ 74.512298][ T5256] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.513132][ T5256] invoke_syscall+0x98/0x2b0 [ 74.513897][ T5256] el0_svc_common+0x138/0x258 [ 74.514717][ T5256] do_el0_svc+0x58/0x13c [ 74.515420][ T5256] el0_svc+0x78/0x1d0 [ 74.516129][ T5256] el0t_64_sync_handler+0xcc/0xe4 [ 74.516957][ T5256] el0t_64_sync+0x1a0/0x1a4 [ 74.517638][ T5256] irq event stamp: 79526 [ 74.518343][ T5256] hardirqs last enabled at (79525): [] __up_console_sem+0xb4/0xfc [ 74.519891][ T5256] hardirqs last disabled at (79526): [] el1_dbg+0x24/0x80 [ 74.521223][ T5256] softirqs last enabled at (79404): [] local_bh_enable+0x10/0x34 [ 74.522742][ T5256] softirqs last disabled at (79402): [] local_bh_disable+0x10/0x34 [ 74.524250][ T5256] ---[ end trace c10ef22cdb0ed2da ]--- [ 74.525747][ T5256] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.527520][ T5256] BTRFS info (device loop0): forced readonly [ 74.528550][ T5256] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.530319][ T5256] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.532040][ T5256] BTRFS info (device loop0): balance: ended with status: -30 [ 74.743201][ T5278] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.30 (5278) [ 74.747626][ T5278] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 74.749155][ T5278] BTRFS info (device loop0): using free space tree [ 74.771696][ T5278] ------------[ cut here ]------------ [ 74.772926][ T5278] WARNING: CPU: 0 PID: 5278 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.774803][ T5278] Modules linked in: [ 74.775421][ T5278] CPU: 0 PID: 5278 Comm: syz.0.30 Tainted: G W syzkaller #0 [ 74.776817][ T5278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.778582][ T5278] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 74.779881][ T5278] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.781026][ T5278] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.782053][ T5278] sp : ffff800020b77540 [ 74.782753][ T5278] x29: ffff800020b77710 x28: ffff0000d7cbd9b0 x27: 1fffe0001bcde940 [ 74.784088][ T5278] x26: 1fffe0001af97b0b x25: ffff0000d7cbd850 x24: dfff800000000000 [ 74.785610][ T5278] x23: ffff0000de6f49f8 x22: 1fffe0001af97b0a x21: ffff0000d7cbd858 [ 74.787011][ T5278] x20: 00000000ffffffe4 x19: ffff0000e7a559d0 x18: 0000000000000001 [ 74.788354][ T5278] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 74.789780][ T5278] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 74.791147][ T5278] x11: 0000000000000000 x10: 0000000000000000 x9 : 33a8349518d73900 [ 74.792501][ T5278] x8 : 33a8349518d73900 x7 : 0000000000000001 x6 : 0000000000000001 [ 74.793833][ T5278] x5 : ffff800020b76e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 74.795113][ T5278] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 74.796576][ T5278] Call trace: [ 74.797129][ T5278] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.798253][ T5278] __btrfs_end_transaction+0x13c/0x5f0 [ 74.799216][ T5278] btrfs_end_transaction+0x24/0x34 [ 74.800081][ T5278] btrfs_inc_block_group_ro+0x4ec/0x558 [ 74.801047][ T5278] btrfs_relocate_block_group+0x2b8/0x8a4 [ 74.802162][ T5278] btrfs_relocate_chunk+0xb8/0x280 [ 74.803110][ T5278] __btrfs_balance+0x112c/0x1b9c [ 74.803972][ T5278] btrfs_balance+0xac8/0x113c [ 74.804785][ T5278] btrfs_ioctl_balance+0x4cc/0x658 [ 74.805657][ T5278] btrfs_ioctl+0x20c/0xa8c [ 74.806412][ T5278] __arm64_sys_ioctl+0x14c/0x1c8 [ 74.807307][ T5278] invoke_syscall+0x98/0x2b0 [ 74.808076][ T5278] el0_svc_common+0x138/0x258 [ 74.808851][ T5278] do_el0_svc+0x58/0x13c [ 74.809574][ T5278] el0_svc+0x78/0x1d0 [ 74.810241][ T5278] el0t_64_sync_handler+0xcc/0xe4 [ 74.811153][ T5278] el0t_64_sync+0x1a0/0x1a4 [ 74.811909][ T5278] irq event stamp: 79134 [ 74.812611][ T5278] hardirqs last enabled at (79133): [] __up_console_sem+0xb4/0xfc [ 74.814073][ T5278] hardirqs last disabled at (79134): [] el1_dbg+0x24/0x80 [ 74.815475][ T5278] softirqs last enabled at (79122): [] handle_softirqs+0xa40/0xbe4 [ 74.817002][ T5278] softirqs last disabled at (79111): [] __irq_exit_rcu+0x240/0x43c [ 74.818546][ T5278] ---[ end trace c10ef22cdb0ed2db ]--- [ 74.819924][ T5278] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 74.821718][ T5278] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 74.823556][ T5278] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 74.968278][ T5300] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.31 (5300) [ 74.996049][ T5300] ------------[ cut here ]------------ [ 74.997170][ T5300] WARNING: CPU: 1 PID: 5300 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 74.999019][ T5300] Modules linked in: [ 74.999677][ T5300] CPU: 1 PID: 5300 Comm: syz.0.31 Tainted: G W syzkaller #0 [ 75.001203][ T5300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.002902][ T5300] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.004220][ T5300] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.005329][ T5300] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.006455][ T5300] sp : ffff8000208c7540 [ 75.007154][ T5300] x29: ffff8000208c7710 x28: ffff0000d827e9b0 x27: 1fffe0001bcbe60c [ 75.008505][ T5300] x26: 1fffe0001b04fd0b x25: ffff0000d827e850 x24: dfff800000000000 [ 75.009896][ T5300] x23: ffff0000de5f3058 x22: 1fffe0001b04fd0a x21: ffff0000d827e858 [ 75.011335][ T5300] x20: 00000000ffffffe4 x19: ffff0000e7a559d0 x18: 0000000000000001 [ 75.012693][ T5300] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.014016][ T5300] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 75.015308][ T5300] x11: 0000000000000000 x10: 0000000000000000 x9 : 08c75bb4ca5efa00 [ 75.016669][ T5300] x8 : 08c75bb4ca5efa00 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.018081][ T5300] x5 : ffff8000208c6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 75.019481][ T5300] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.020866][ T5300] Call trace: [ 75.021416][ T5300] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.022404][ T5300] __btrfs_end_transaction+0x13c/0x5f0 [ 75.023367][ T5300] btrfs_end_transaction+0x24/0x34 [ 75.024266][ T5300] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.025184][ T5300] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.026158][ T5300] btrfs_relocate_chunk+0xb8/0x280 [ 75.026985][ T5300] __btrfs_balance+0x112c/0x1b9c [ 75.027849][ T5300] btrfs_balance+0xac8/0x113c [ 75.028621][ T5300] btrfs_ioctl_balance+0x4cc/0x658 [ 75.029478][ T5300] btrfs_ioctl+0x20c/0xa8c [ 75.030207][ T5300] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.031030][ T5300] invoke_syscall+0x98/0x2b0 [ 75.031759][ T5300] el0_svc_common+0x138/0x258 [ 75.032482][ T5300] do_el0_svc+0x58/0x13c [ 75.033099][ T5300] el0_svc+0x78/0x1d0 [ 75.033719][ T5300] el0t_64_sync_handler+0xcc/0xe4 [ 75.034552][ T5300] el0t_64_sync+0x1a0/0x1a4 [ 75.035271][ T5300] irq event stamp: 79524 [ 75.036032][ T5300] hardirqs last enabled at (79523): [] __up_console_sem+0xb4/0xfc [ 75.037623][ T5300] hardirqs last disabled at (79524): [] el1_dbg+0x24/0x80 [ 75.039139][ T5300] softirqs last enabled at (79404): [] local_bh_enable+0x10/0x34 [ 75.040722][ T5300] softirqs last disabled at (79402): [] local_bh_disable+0x10/0x34 [ 75.042296][ T5300] ---[ end trace c10ef22cdb0ed2dc ]--- [ 75.046051][ T5300] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.047889][ T5300] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.049691][ T5300] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.233372][ T5322] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.32 (5322) [ 75.290118][ T5322] ------------[ cut here ]------------ [ 75.291162][ T5322] WARNING: CPU: 1 PID: 5322 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.293099][ T5322] Modules linked in: [ 75.293798][ T5322] CPU: 1 PID: 5322 Comm: syz.0.32 Tainted: G W syzkaller #0 [ 75.295345][ T5322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.297043][ T5322] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.298406][ T5322] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.299481][ T5322] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.300489][ T5322] sp : ffff8000208c7540 [ 75.301195][ T5322] x29: ffff8000208c7710 x28: ffff0000da00a9b0 x27: 1fffe0001bcbe740 [ 75.302557][ T5322] x26: 1fffe0001b40150b x25: ffff0000da00a850 x24: dfff800000000000 [ 75.303883][ T5322] x23: ffff0000de5f39f8 x22: 1fffe0001b40150a x21: ffff0000da00a858 [ 75.305300][ T5322] x20: 00000000ffffffe4 x19: ffff0000da7759d0 x18: 0000000000000001 [ 75.306774][ T5322] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.308152][ T5322] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 75.309539][ T5322] x11: 0000000000000000 x10: 0000000000000000 x9 : 0667cd2bc0361500 [ 75.310847][ T5322] x8 : 0667cd2bc0361500 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.312247][ T5322] x5 : ffff8000208c6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 75.313567][ T5322] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.314900][ T5322] Call trace: [ 75.315534][ T5322] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.316667][ T5322] __btrfs_end_transaction+0x13c/0x5f0 [ 75.317633][ T5322] btrfs_end_transaction+0x24/0x34 [ 75.318469][ T5322] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.319370][ T5322] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.320254][ T5322] btrfs_relocate_chunk+0xb8/0x280 [ 75.321100][ T5322] __btrfs_balance+0x112c/0x1b9c [ 75.321967][ T5322] btrfs_balance+0xac8/0x113c [ 75.322710][ T5322] btrfs_ioctl_balance+0x4cc/0x658 [ 75.323513][ T5322] btrfs_ioctl+0x20c/0xa8c [ 75.324228][ T5322] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.325084][ T5322] invoke_syscall+0x98/0x2b0 [ 75.325865][ T5322] el0_svc_common+0x138/0x258 [ 75.326650][ T5322] do_el0_svc+0x58/0x13c [ 75.327393][ T5322] el0_svc+0x78/0x1d0 [ 75.328111][ T5322] el0t_64_sync_handler+0xcc/0xe4 [ 75.328917][ T5322] el0t_64_sync+0x1a0/0x1a4 [ 75.329656][ T5322] irq event stamp: 79456 [ 75.330368][ T5322] hardirqs last enabled at (79455): [] __up_console_sem+0xb4/0xfc [ 75.332016][ T5322] hardirqs last disabled at (79456): [] el1_dbg+0x24/0x80 [ 75.333502][ T5322] softirqs last enabled at (79332): [] local_bh_enable+0x10/0x34 [ 75.335099][ T5322] softirqs last disabled at (79330): [] local_bh_disable+0x10/0x34 [ 75.336673][ T5322] ---[ end trace c10ef22cdb0ed2dd ]--- [ 75.338804][ T5322] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.340727][ T5322] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.342726][ T5322] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.487571][ T5344] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.33 (5344) [ 75.506320][ T5344] ------------[ cut here ]------------ [ 75.507624][ T5344] WARNING: CPU: 1 PID: 5344 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.509581][ T5344] Modules linked in: [ 75.510232][ T5344] CPU: 1 PID: 5344 Comm: syz.0.33 Tainted: G W syzkaller #0 [ 75.511555][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.513105][ T5344] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.514325][ T5344] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.515500][ T5344] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.516671][ T5344] sp : ffff800020d17540 [ 75.517385][ T5344] x29: ffff800020d17710 x28: ffff0000c111b9b0 x27: 1fffe0001bcbe76c [ 75.518686][ T5344] x26: 1fffe0001822370b x25: ffff0000c111b850 x24: dfff800000000000 [ 75.520114][ T5344] x23: ffff0000de5f3b58 x22: 1fffe0001822370a x21: ffff0000c111b858 [ 75.521504][ T5344] x20: 00000000ffffffe4 x19: ffff0000d5b7d9d0 x18: 0000000000000001 [ 75.522821][ T5344] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.524205][ T5344] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 75.525548][ T5344] x11: 0000000000000000 x10: 0000000000000000 x9 : 757ef8c3746c3000 [ 75.526871][ T5344] x8 : 757ef8c3746c3000 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.528243][ T5344] x5 : ffff800020d16e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 75.529616][ T5344] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.530968][ T5344] Call trace: [ 75.531515][ T5344] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.532576][ T5344] __btrfs_end_transaction+0x13c/0x5f0 [ 75.533531][ T5344] btrfs_end_transaction+0x24/0x34 [ 75.534382][ T5344] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.535328][ T5344] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.536258][ T5344] btrfs_relocate_chunk+0xb8/0x280 [ 75.537130][ T5344] __btrfs_balance+0x112c/0x1b9c [ 75.537915][ T5344] btrfs_balance+0xac8/0x113c [ 75.538622][ T5344] btrfs_ioctl_balance+0x4cc/0x658 [ 75.539460][ T5344] btrfs_ioctl+0x20c/0xa8c [ 75.540170][ T5344] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.540990][ T5344] invoke_syscall+0x98/0x2b0 [ 75.541798][ T5344] el0_svc_common+0x138/0x258 [ 75.542552][ T5344] do_el0_svc+0x58/0x13c [ 75.543328][ T5344] el0_svc+0x78/0x1d0 [ 75.544030][ T5344] el0t_64_sync_handler+0xcc/0xe4 [ 75.544926][ T5344] el0t_64_sync+0x1a0/0x1a4 [ 75.545715][ T5344] irq event stamp: 79120 [ 75.546455][ T5344] hardirqs last enabled at (79119): [] __up_console_sem+0xb4/0xfc [ 75.548089][ T5344] hardirqs last disabled at (79120): [] el1_dbg+0x24/0x80 [ 75.549540][ T5344] softirqs last enabled at (78996): [] local_bh_enable+0x10/0x34 [ 75.550999][ T5344] softirqs last disabled at (78994): [] local_bh_disable+0x10/0x34 [ 75.552435][ T5344] ---[ end trace c10ef22cdb0ed2de ]--- [ 75.555725][ T5344] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.557685][ T5344] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.559439][ T5344] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left 1970/01/01 00:01:15 executed programs: 20 [ 75.698191][ T5366] set_capacity_and_notify: 8 callbacks suppressed [ 75.698200][ T5366] loop0: detected capacity change from 0 to 32768 [ 75.702772][ T5366] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.34 (5366) [ 75.719849][ T5366] ------------[ cut here ]------------ [ 75.720935][ T5366] WARNING: CPU: 0 PID: 5366 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.722713][ T5366] Modules linked in: [ 75.723368][ T5366] CPU: 0 PID: 5366 Comm: syz.0.34 Tainted: G W syzkaller #0 [ 75.724851][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.726556][ T5366] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.727863][ T5366] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.728896][ T5366] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.730026][ T5366] sp : ffff800020d17540 [ 75.730721][ T5366] x29: ffff800020d17710 x28: ffff0000ecb701b0 x27: 1fffe0001bcde87a [ 75.732104][ T5366] x26: 1fffe0001d96e00b x25: ffff0000ecb70050 x24: dfff800000000000 [ 75.733324][ T5366] x23: ffff0000de6f43c8 x22: 1fffe0001d96e00a x21: ffff0000ecb70058 [ 75.734609][ T5366] x20: 00000000ffffffe4 x19: ffff0000da7159d0 x18: 0000000000000001 [ 75.735876][ T5366] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.737291][ T5366] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 75.738822][ T5366] x11: 0000000000000000 x10: 0000000000000000 x9 : 11a4978ac4cab200 [ 75.740198][ T5366] x8 : 11a4978ac4cab200 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.741503][ T5366] x5 : ffff800020d16e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 75.742703][ T5366] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.743897][ T5366] Call trace: [ 75.744405][ T5366] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.745465][ T5366] __btrfs_end_transaction+0x13c/0x5f0 [ 75.746398][ T5366] btrfs_end_transaction+0x24/0x34 [ 75.747274][ T5366] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.748172][ T5366] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.749170][ T5366] btrfs_relocate_chunk+0xb8/0x280 [ 75.750076][ T5366] __btrfs_balance+0x112c/0x1b9c [ 75.750912][ T5366] btrfs_balance+0xac8/0x113c [ 75.751701][ T5366] btrfs_ioctl_balance+0x4cc/0x658 [ 75.752563][ T5366] btrfs_ioctl+0x20c/0xa8c [ 75.753316][ T5366] __arm64_sys_ioctl+0x14c/0x1c8 [ 75.754117][ T5366] invoke_syscall+0x98/0x2b0 [ 75.754880][ T5366] el0_svc_common+0x138/0x258 [ 75.755669][ T5366] do_el0_svc+0x58/0x13c [ 75.756324][ T5366] el0_svc+0x78/0x1d0 [ 75.757002][ T5366] el0t_64_sync_handler+0xcc/0xe4 [ 75.757859][ T5366] el0t_64_sync+0x1a0/0x1a4 [ 75.758560][ T5366] irq event stamp: 79430 [ 75.759220][ T5366] hardirqs last enabled at (79429): [] __up_console_sem+0xb4/0xfc [ 75.760692][ T5366] hardirqs last disabled at (79430): [] el1_dbg+0x24/0x80 [ 75.762138][ T5366] softirqs last enabled at (79294): [] local_bh_enable+0x10/0x34 [ 75.763642][ T5366] softirqs last disabled at (79292): [] local_bh_disable+0x10/0x34 [ 75.765175][ T5366] ---[ end trace c10ef22cdb0ed2df ]--- [ 75.766624][ T5366] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 75.768494][ T5366] btrfs_printk: 31 callbacks suppressed [ 75.768506][ T5366] BTRFS info (device loop0): forced readonly [ 75.770450][ T5366] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 75.772700][ T5366] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 75.774914][ T5366] BTRFS info (device loop0): balance: ended with status: -30 [ 75.910589][ T5388] loop0: detected capacity change from 0 to 32768 [ 75.943413][ T5388] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.35 (5388) [ 75.948577][ T5388] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 75.950142][ T5388] BTRFS info (device loop0): using free space tree [ 75.951342][ T5388] BTRFS info (device loop0): has skinny extents [ 75.960367][ T5388] BTRFS info (device loop0): enabling ssd optimizations [ 75.965421][ T5388] BTRFS info (device loop0): balance: start -s [ 75.966883][ T5388] ------------[ cut here ]------------ [ 75.967873][ T5388] WARNING: CPU: 1 PID: 5388 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.969765][ T5388] Modules linked in: [ 75.970456][ T5388] CPU: 1 PID: 5388 Comm: syz.0.35 Tainted: G W syzkaller #0 [ 75.971869][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 75.973527][ T5388] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.974837][ T5388] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.975956][ T5388] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.977088][ T5388] sp : ffff800021177540 [ 75.977829][ T5388] x29: ffff800021177710 x28: ffff0000ceb1d1b0 x27: 1fffe0001bcbe798 [ 75.979150][ T5388] x26: 1fffe00019d63a0b x25: ffff0000ceb1d050 x24: dfff800000000000 [ 75.980543][ T5388] x23: ffff0000de5f3cb8 x22: 1fffe00019d63a0a x21: ffff0000ceb1d058 [ 75.981834][ T5388] x20: 00000000ffffffe4 x19: ffff0000da7159d0 x18: 0000000000000001 [ 75.983094][ T5388] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 75.984546][ T5388] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 75.985945][ T5388] x11: 0000000000000000 x10: 0000000000000000 x9 : f8799e1bca99c400 [ 75.987344][ T5388] x8 : f8799e1bca99c400 x7 : 0000000000000001 x6 : 0000000000000001 [ 75.988696][ T5388] x5 : ffff800021176e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 75.989995][ T5388] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 75.991406][ T5388] Call trace: [ 75.991975][ T5388] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 75.993118][ T5388] __btrfs_end_transaction+0x13c/0x5f0 [ 75.994033][ T5388] btrfs_end_transaction+0x24/0x34 [ 75.994913][ T5388] btrfs_inc_block_group_ro+0x4ec/0x558 [ 75.995879][ T5388] btrfs_relocate_block_group+0x2b8/0x8a4 [ 75.996878][ T5388] btrfs_relocate_chunk+0xb8/0x280 [ 75.997684][ T5388] __btrfs_balance+0x112c/0x1b9c [ 75.998639][ T5388] btrfs_balance+0xac8/0x113c [ 75.999489][ T5388] btrfs_ioctl_balance+0x4cc/0x658 [ 76.000419][ T5388] btrfs_ioctl+0x20c/0xa8c [ 76.001174][ T5388] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.002004][ T5388] invoke_syscall+0x98/0x2b0 [ 76.002769][ T5388] el0_svc_common+0x138/0x258 [ 76.003524][ T5388] do_el0_svc+0x58/0x13c [ 76.004226][ T5388] el0_svc+0x78/0x1d0 [ 76.004885][ T5388] el0t_64_sync_handler+0xcc/0xe4 [ 76.005822][ T5388] el0t_64_sync+0x1a0/0x1a4 [ 76.006661][ T5388] irq event stamp: 79120 [ 76.007472][ T5388] hardirqs last enabled at (79119): [] __up_console_sem+0xb4/0xfc [ 76.009171][ T5388] hardirqs last disabled at (79120): [] el1_dbg+0x24/0x80 [ 76.010703][ T5388] softirqs last enabled at (78994): [] local_bh_enable+0x10/0x34 [ 76.012259][ T5388] softirqs last disabled at (78992): [] local_bh_disable+0x10/0x34 [ 76.013857][ T5388] ---[ end trace c10ef22cdb0ed2e0 ]--- [ 76.018289][ T5388] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.019941][ T5388] BTRFS info (device loop0): forced readonly [ 76.021099][ T5388] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.023321][ T5388] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.025110][ T5388] BTRFS info (device loop0): balance: ended with status: -30 [ 76.159599][ T5410] loop0: detected capacity change from 0 to 32768 [ 76.164221][ T5410] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.36 (5410) [ 76.168052][ T5410] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.169403][ T5410] BTRFS info (device loop0): using free space tree [ 76.170501][ T5410] BTRFS info (device loop0): has skinny extents [ 76.182426][ T5410] BTRFS info (device loop0): enabling ssd optimizations [ 76.186687][ T5410] BTRFS info (device loop0): balance: start -s [ 76.188008][ T5410] ------------[ cut here ]------------ [ 76.189054][ T5410] WARNING: CPU: 1 PID: 5410 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.190898][ T5410] Modules linked in: [ 76.191585][ T5410] CPU: 1 PID: 5410 Comm: syz.0.36 Tainted: G W syzkaller #0 [ 76.193104][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.194866][ T5410] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.196205][ T5410] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.197273][ T5410] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.198349][ T5410] sp : ffff8000212c7540 [ 76.199069][ T5410] x29: ffff8000212c7710 x28: ffff0000c989d1b0 x27: 1fffe0001bcbe7c4 [ 76.200488][ T5410] x26: 1fffe00019313a0b x25: ffff0000c989d050 x24: dfff800000000000 [ 76.201875][ T5410] x23: ffff0000de5f3e18 x22: 1fffe00019313a0a x21: ffff0000c989d058 [ 76.203194][ T5410] x20: 00000000ffffffe4 x19: ffff0000ca2e19d0 x18: 0000000000000001 [ 76.204609][ T5410] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.205945][ T5410] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 76.207297][ T5410] x11: 0000000000000000 x10: 0000000000000000 x9 : b54b447595774300 [ 76.208672][ T5410] x8 : b54b447595774300 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.210153][ T5410] x5 : ffff8000212c6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 76.211573][ T5410] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.212970][ T5410] Call trace: [ 76.213542][ T5410] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.214708][ T5410] __btrfs_end_transaction+0x13c/0x5f0 [ 76.215621][ T5410] btrfs_end_transaction+0x24/0x34 [ 76.216515][ T5410] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.217529][ T5410] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.218455][ T5410] btrfs_relocate_chunk+0xb8/0x280 [ 76.219329][ T5410] __btrfs_balance+0x112c/0x1b9c [ 76.220142][ T5410] btrfs_balance+0xac8/0x113c [ 76.221007][ T5410] btrfs_ioctl_balance+0x4cc/0x658 [ 76.221855][ T5410] btrfs_ioctl+0x20c/0xa8c [ 76.222607][ T5410] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.223412][ T5410] invoke_syscall+0x98/0x2b0 [ 76.224193][ T5410] el0_svc_common+0x138/0x258 [ 76.224930][ T5410] do_el0_svc+0x58/0x13c [ 76.225584][ T5410] el0_svc+0x78/0x1d0 [ 76.226166][ T5410] el0t_64_sync_handler+0xcc/0xe4 [ 76.226883][ T5410] el0t_64_sync+0x1a0/0x1a4 [ 76.227623][ T5410] irq event stamp: 79186 [ 76.228316][ T5410] hardirqs last enabled at (79185): [] __up_console_sem+0xb4/0xfc [ 76.230001][ T5410] hardirqs last disabled at (79186): [] el1_dbg+0x24/0x80 [ 76.231551][ T5410] softirqs last enabled at (79040): [] local_bh_enable+0x10/0x34 [ 76.233035][ T5410] softirqs last disabled at (79038): [] local_bh_disable+0x10/0x34 [ 76.234675][ T5410] ---[ end trace c10ef22cdb0ed2e1 ]--- [ 76.236097][ T5410] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.237933][ T5410] BTRFS info (device loop0): forced readonly [ 76.238960][ T5410] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.240923][ T5410] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.243398][ T5410] BTRFS info (device loop0): balance: ended with status: -30 [ 76.375865][ T5432] loop0: detected capacity change from 0 to 32768 [ 76.378269][ T5432] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.37 (5432) [ 76.381441][ T5432] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.383053][ T5432] BTRFS info (device loop0): using free space tree [ 76.384132][ T5432] BTRFS info (device loop0): has skinny extents [ 76.402476][ T5432] BTRFS info (device loop0): enabling ssd optimizations [ 76.407200][ T5432] BTRFS info (device loop0): balance: start -s [ 76.408594][ T5432] ------------[ cut here ]------------ [ 76.409690][ T5432] WARNING: CPU: 1 PID: 5432 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.411459][ T5432] Modules linked in: [ 76.412118][ T5432] CPU: 1 PID: 5432 Comm: syz.0.37 Tainted: G W syzkaller #0 [ 76.413612][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.415324][ T5432] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.416663][ T5432] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.417826][ T5432] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.418975][ T5432] sp : ffff800021187540 [ 76.419576][ T5432] x29: ffff800021187710 x28: ffff0000d06df1b0 x27: 1fffe0001bcbe7f0 [ 76.420911][ T5432] x26: 1fffe0001a0dbe0b x25: ffff0000d06df050 x24: dfff800000000000 [ 76.422302][ T5432] x23: ffff0000de5f3f78 x22: 1fffe0001a0dbe0a x21: ffff0000d06df058 [ 76.423626][ T5432] x20: 00000000ffffffe4 x19: ffff0000d6aed9d0 x18: 0000000000000001 [ 76.425023][ T5432] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.426561][ T5432] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 76.427935][ T5432] x11: 0000000000000000 x10: 0000000000000000 x9 : 4072b38f7e723900 [ 76.429281][ T5432] x8 : 4072b38f7e723900 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.430539][ T5432] x5 : ffff800021186e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 76.431888][ T5432] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.433251][ T5432] Call trace: [ 76.433798][ T5432] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.434906][ T5432] __btrfs_end_transaction+0x13c/0x5f0 [ 76.435833][ T5432] btrfs_end_transaction+0x24/0x34 [ 76.436750][ T5432] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.437714][ T5432] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.438732][ T5432] btrfs_relocate_chunk+0xb8/0x280 [ 76.439705][ T5432] __btrfs_balance+0x112c/0x1b9c [ 76.440633][ T5432] btrfs_balance+0xac8/0x113c [ 76.441471][ T5432] btrfs_ioctl_balance+0x4cc/0x658 [ 76.442298][ T5432] btrfs_ioctl+0x20c/0xa8c [ 76.443039][ T5432] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.443968][ T5432] invoke_syscall+0x98/0x2b0 [ 76.444806][ T5432] el0_svc_common+0x138/0x258 [ 76.445608][ T5432] do_el0_svc+0x58/0x13c [ 76.446312][ T5432] el0_svc+0x78/0x1d0 [ 76.446967][ T5432] el0t_64_sync_handler+0xcc/0xe4 [ 76.447848][ T5432] el0t_64_sync+0x1a0/0x1a4 [ 76.448610][ T5432] irq event stamp: 79470 [ 76.449277][ T5432] hardirqs last enabled at (79469): [] __up_console_sem+0xb4/0xfc [ 76.450800][ T5432] hardirqs last disabled at (79470): [] el1_dbg+0x24/0x80 [ 76.452119][ T5432] softirqs last enabled at (79348): [] local_bh_enable+0x10/0x34 [ 76.453591][ T5432] softirqs last disabled at (79346): [] local_bh_disable+0x10/0x34 [ 76.454945][ T5432] ---[ end trace c10ef22cdb0ed2e2 ]--- [ 76.456090][ T5432] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.457767][ T5432] BTRFS info (device loop0): forced readonly [ 76.458734][ T5432] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.460395][ T5432] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.462057][ T5432] BTRFS info (device loop0): balance: ended with status: -30 [ 76.613277][ T5454] loop0: detected capacity change from 0 to 32768 [ 76.653303][ T5454] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.38 (5454) [ 76.656889][ T5454] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.658513][ T5454] BTRFS info (device loop0): using free space tree [ 76.659686][ T5454] BTRFS info (device loop0): has skinny extents [ 76.669274][ T5454] BTRFS info (device loop0): enabling ssd optimizations [ 76.674780][ T5454] BTRFS info (device loop0): balance: start -s [ 76.676190][ T5454] ------------[ cut here ]------------ [ 76.677189][ T5454] WARNING: CPU: 1 PID: 5454 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.679092][ T5454] Modules linked in: [ 76.679761][ T5454] CPU: 1 PID: 5454 Comm: syz.0.38 Tainted: G W syzkaller #0 [ 76.681157][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.682769][ T5454] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.684179][ T5454] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.685331][ T5454] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.686333][ T5454] sp : ffff800021897540 [ 76.687041][ T5454] x29: ffff800021897710 x28: ffff0000d6e509b0 x27: 1fffe0001bcbe6a6 [ 76.688520][ T5454] x26: 1fffe0001adca10b x25: ffff0000d6e50850 x24: dfff800000000000 [ 76.689954][ T5454] x23: ffff0000de5f3528 x22: 1fffe0001adca10a x21: ffff0000d6e50858 [ 76.691376][ T5454] x20: 00000000ffffffe4 x19: ffff0000d058d9d0 x18: 0000000000000001 [ 76.692639][ T5454] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.694047][ T5454] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 76.695390][ T5454] x11: 0000000000000000 x10: 0000000000000000 x9 : 4c461d9e16852800 [ 76.696789][ T5454] x8 : 4c461d9e16852800 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.698195][ T5454] x5 : ffff800021896e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 76.699632][ T5454] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.701132][ T5454] Call trace: [ 76.701738][ T5454] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.702823][ T5454] __btrfs_end_transaction+0x13c/0x5f0 [ 76.703729][ T5454] btrfs_end_transaction+0x24/0x34 [ 76.704613][ T5454] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.705563][ T5454] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.706541][ T5454] btrfs_relocate_chunk+0xb8/0x280 [ 76.707426][ T5454] __btrfs_balance+0x112c/0x1b9c [ 76.708324][ T5454] btrfs_balance+0xac8/0x113c [ 76.709212][ T5454] btrfs_ioctl_balance+0x4cc/0x658 [ 76.710130][ T5454] btrfs_ioctl+0x20c/0xa8c [ 76.710883][ T5454] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.711702][ T5454] invoke_syscall+0x98/0x2b0 [ 76.712441][ T5454] el0_svc_common+0x138/0x258 [ 76.713243][ T5454] do_el0_svc+0x58/0x13c [ 76.713965][ T5454] el0_svc+0x78/0x1d0 [ 76.714635][ T5454] el0t_64_sync_handler+0xcc/0xe4 [ 76.715450][ T5454] el0t_64_sync+0x1a0/0x1a4 [ 76.716219][ T5454] irq event stamp: 79640 [ 76.716907][ T5454] hardirqs last enabled at (79639): [] __up_console_sem+0xb4/0xfc [ 76.718594][ T5454] hardirqs last disabled at (79640): [] el1_dbg+0x24/0x80 [ 76.720064][ T5454] softirqs last enabled at (79518): [] local_bh_enable+0x10/0x34 [ 76.721603][ T5454] softirqs last disabled at (79516): [] local_bh_disable+0x10/0x34 [ 76.723186][ T5454] ---[ end trace c10ef22cdb0ed2e3 ]--- [ 76.725426][ T5454] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.727312][ T5454] BTRFS info (device loop0): forced readonly [ 76.728289][ T5454] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.730063][ T5454] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.731922][ T5454] BTRFS info (device loop0): balance: ended with status: -30 [ 76.870451][ T5476] loop0: detected capacity change from 0 to 32768 [ 76.910608][ T5476] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.39 (5476) [ 76.918209][ T5476] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 76.919719][ T5476] BTRFS info (device loop0): using free space tree [ 76.920797][ T5476] BTRFS info (device loop0): has skinny extents [ 76.930655][ T5476] BTRFS info (device loop0): enabling ssd optimizations [ 76.935666][ T5476] BTRFS info (device loop0): balance: start -s [ 76.937094][ T5476] ------------[ cut here ]------------ [ 76.938216][ T5476] WARNING: CPU: 0 PID: 5476 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.939923][ T5476] Modules linked in: [ 76.940548][ T5476] CPU: 0 PID: 5476 Comm: syz.0.39 Tainted: G W syzkaller #0 [ 76.941900][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 76.943405][ T5476] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 76.944663][ T5476] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.945752][ T5476] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.946784][ T5476] sp : ffff8000219a7540 [ 76.947485][ T5476] x29: ffff8000219a7710 x28: ffff0000d4e2d9b0 x27: 1fffe0001bcde8d2 [ 76.948660][ T5476] x26: 1fffe0001a9c5b0b x25: ffff0000d4e2d850 x24: dfff800000000000 [ 76.949982][ T5476] x23: ffff0000de6f4688 x22: 1fffe0001a9c5b0a x21: ffff0000d4e2d858 [ 76.951133][ T5476] x20: 00000000ffffffe4 x19: ffff0000d8aa99d0 x18: 0000000000000001 [ 76.952419][ T5476] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 76.953601][ T5476] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 76.954788][ T5476] x11: 0000000000000000 x10: 0000000000000000 x9 : bf3cbb0a27813100 [ 76.956140][ T5476] x8 : bf3cbb0a27813100 x7 : 0000000000000001 x6 : 0000000000000001 [ 76.957540][ T5476] x5 : ffff8000219a6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 76.958912][ T5476] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 76.960363][ T5476] Call trace: [ 76.960893][ T5476] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 76.961999][ T5476] __btrfs_end_transaction+0x13c/0x5f0 [ 76.962858][ T5476] btrfs_end_transaction+0x24/0x34 [ 76.963696][ T5476] btrfs_inc_block_group_ro+0x4ec/0x558 [ 76.964625][ T5476] btrfs_relocate_block_group+0x2b8/0x8a4 [ 76.965570][ T5476] btrfs_relocate_chunk+0xb8/0x280 [ 76.966455][ T5476] __btrfs_balance+0x112c/0x1b9c [ 76.967303][ T5476] btrfs_balance+0xac8/0x113c [ 76.968130][ T5476] btrfs_ioctl_balance+0x4cc/0x658 [ 76.968997][ T5476] btrfs_ioctl+0x20c/0xa8c [ 76.969704][ T5476] __arm64_sys_ioctl+0x14c/0x1c8 [ 76.970500][ T5476] invoke_syscall+0x98/0x2b0 [ 76.971258][ T5476] el0_svc_common+0x138/0x258 [ 76.972006][ T5476] do_el0_svc+0x58/0x13c [ 76.972684][ T5476] el0_svc+0x78/0x1d0 [ 76.973308][ T5476] el0t_64_sync_handler+0xcc/0xe4 [ 76.974115][ T5476] el0t_64_sync+0x1a0/0x1a4 [ 76.974872][ T5476] irq event stamp: 79694 [ 76.975569][ T5476] hardirqs last enabled at (79693): [] __up_console_sem+0xb4/0xfc [ 76.977003][ T5476] hardirqs last disabled at (79694): [] el1_dbg+0x24/0x80 [ 76.978374][ T5476] softirqs last enabled at (79584): [] local_bh_enable+0x10/0x34 [ 76.979917][ T5476] softirqs last disabled at (79582): [] local_bh_disable+0x10/0x34 [ 76.981505][ T5476] ---[ end trace c10ef22cdb0ed2e4 ]--- [ 76.982614][ T5476] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 76.984236][ T5476] BTRFS info (device loop0): forced readonly [ 76.985286][ T5476] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 76.987264][ T5476] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 76.989284][ T5476] BTRFS info (device loop0): balance: ended with status: -30 [ 77.121099][ T5498] loop0: detected capacity change from 0 to 32768 [ 77.153454][ T5498] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.40 (5498) [ 77.194849][ T5498] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.196463][ T5498] BTRFS info (device loop0): using free space tree [ 77.197545][ T5498] BTRFS info (device loop0): has skinny extents [ 77.205228][ T5498] BTRFS info (device loop0): enabling ssd optimizations [ 77.209563][ T5498] BTRFS info (device loop0): balance: start -s [ 77.210825][ T5498] ------------[ cut here ]------------ [ 77.211845][ T5498] WARNING: CPU: 0 PID: 5498 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.213730][ T5498] Modules linked in: [ 77.214445][ T5498] CPU: 0 PID: 5498 Comm: syz.0.40 Tainted: G W syzkaller #0 [ 77.215948][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.217698][ T5498] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.219181][ T5498] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.220352][ T5498] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.221502][ T5498] sp : ffff8000219a7540 [ 77.222177][ T5498] x29: ffff8000219a7710 x28: ffff0000cd8a11b0 x27: 1fffe0001bcde956 [ 77.223554][ T5498] x26: 1fffe00019b1420b x25: ffff0000cd8a1050 x24: dfff800000000000 [ 77.224918][ T5498] x23: ffff0000de6f4aa8 x22: 1fffe00019b1420a x21: ffff0000cd8a1058 [ 77.226305][ T5498] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 77.227657][ T5498] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.228901][ T5498] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 77.230221][ T5498] x11: 0000000000000000 x10: 0000000000000000 x9 : c4dc281185b44300 [ 77.231547][ T5498] x8 : c4dc281185b44300 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.232839][ T5498] x5 : ffff8000219a6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 77.234142][ T5498] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.235414][ T5498] Call trace: [ 77.235966][ T5498] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.236841][ T5498] __btrfs_end_transaction+0x13c/0x5f0 [ 77.237676][ T5498] btrfs_end_transaction+0x24/0x34 [ 77.238538][ T5498] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.239371][ T5498] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.240205][ T5498] btrfs_relocate_chunk+0xb8/0x280 [ 77.241046][ T5498] __btrfs_balance+0x112c/0x1b9c [ 77.241891][ T5498] btrfs_balance+0xac8/0x113c [ 77.242591][ T5498] btrfs_ioctl_balance+0x4cc/0x658 [ 77.243443][ T5498] btrfs_ioctl+0x20c/0xa8c [ 77.244211][ T5498] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.245111][ T5498] invoke_syscall+0x98/0x2b0 [ 77.245878][ T5498] el0_svc_common+0x138/0x258 [ 77.246649][ T5498] do_el0_svc+0x58/0x13c [ 77.247358][ T5498] el0_svc+0x78/0x1d0 [ 77.247997][ T5498] el0t_64_sync_handler+0xcc/0xe4 [ 77.248856][ T5498] el0t_64_sync+0x1a0/0x1a4 [ 77.249570][ T5498] irq event stamp: 79132 [ 77.250307][ T5498] hardirqs last enabled at (79131): [] __up_console_sem+0xb4/0xfc [ 77.251943][ T5498] hardirqs last disabled at (79132): [] el1_dbg+0x24/0x80 [ 77.253449][ T5498] softirqs last enabled at (79006): [] local_bh_enable+0x10/0x34 [ 77.255091][ T5498] softirqs last disabled at (79004): [] local_bh_disable+0x10/0x34 [ 77.256679][ T5498] ---[ end trace c10ef22cdb0ed2e5 ]--- [ 77.258114][ T5498] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.259985][ T5498] BTRFS info (device loop0): forced readonly [ 77.261017][ T5498] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.262985][ T5498] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.264837][ T5498] BTRFS info (device loop0): balance: ended with status: -30 [ 77.397365][ T5520] loop0: detected capacity change from 0 to 32768 [ 77.493310][ T5520] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.41 (5520) [ 77.496283][ T5520] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.497641][ T5520] BTRFS info (device loop0): using free space tree [ 77.502603][ T5520] BTRFS info (device loop0): has skinny extents [ 77.510166][ T5520] BTRFS info (device loop0): enabling ssd optimizations [ 77.515026][ T5520] BTRFS info (device loop0): balance: start -s [ 77.516413][ T5520] ------------[ cut here ]------------ [ 77.517483][ T5520] WARNING: CPU: 0 PID: 5520 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.519399][ T5520] Modules linked in: [ 77.520073][ T5520] CPU: 0 PID: 5520 Comm: syz.0.41 Tainted: G W syzkaller #0 [ 77.521547][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.523267][ T5520] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.524541][ T5520] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.525588][ T5520] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.526772][ T5520] sp : ffff800021c57540 [ 77.527520][ T5520] x29: ffff800021c57710 x28: ffff0000dca499b0 x27: 1fffe0001bcde982 [ 77.528917][ T5520] x26: 1fffe0001b94930b x25: ffff0000dca49850 x24: dfff800000000000 [ 77.530398][ T5520] x23: ffff0000de6f4c08 x22: 1fffe0001b94930a x21: ffff0000dca49858 [ 77.531885][ T5520] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 77.533323][ T5520] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.534830][ T5520] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 77.536276][ T5520] x11: 0000000000000000 x10: 0000000000000000 x9 : 342d79f28590e200 [ 77.537621][ T5520] x8 : 342d79f28590e200 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.539107][ T5520] x5 : ffff800021c56e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 77.540554][ T5520] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.541867][ T5520] Call trace: [ 77.542355][ T5520] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.543462][ T5520] __btrfs_end_transaction+0x13c/0x5f0 [ 77.544304][ T5520] btrfs_end_transaction+0x24/0x34 [ 77.545174][ T5520] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.546130][ T5520] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.547127][ T5520] btrfs_relocate_chunk+0xb8/0x280 [ 77.548029][ T5520] __btrfs_balance+0x112c/0x1b9c [ 77.548868][ T5520] btrfs_balance+0xac8/0x113c [ 77.549609][ T5520] btrfs_ioctl_balance+0x4cc/0x658 [ 77.550451][ T5520] btrfs_ioctl+0x20c/0xa8c [ 77.551243][ T5520] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.552029][ T5520] invoke_syscall+0x98/0x2b0 [ 77.552809][ T5520] el0_svc_common+0x138/0x258 [ 77.553626][ T5520] do_el0_svc+0x58/0x13c [ 77.554330][ T5520] el0_svc+0x78/0x1d0 [ 77.555002][ T5520] el0t_64_sync_handler+0xcc/0xe4 [ 77.555887][ T5520] el0t_64_sync+0x1a0/0x1a4 [ 77.556650][ T5520] irq event stamp: 79428 [ 77.557392][ T5520] hardirqs last enabled at (79427): [] __up_console_sem+0xb4/0xfc [ 77.559184][ T5520] hardirqs last disabled at (79428): [] el1_dbg+0x24/0x80 [ 77.560687][ T5520] softirqs last enabled at (79300): [] local_bh_enable+0x10/0x34 [ 77.562325][ T5520] softirqs last disabled at (79298): [] local_bh_disable+0x10/0x34 [ 77.563930][ T5520] ---[ end trace c10ef22cdb0ed2e6 ]--- [ 77.565504][ T5520] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.567390][ T5520] BTRFS info (device loop0): forced readonly [ 77.568556][ T5520] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.570392][ T5520] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.572269][ T5520] BTRFS info (device loop0): balance: ended with status: -30 [ 77.704639][ T5542] loop0: detected capacity change from 0 to 32768 [ 77.796459][ T5542] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.42 (5542) [ 77.799718][ T5542] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 77.801127][ T5542] BTRFS info (device loop0): using free space tree [ 77.802532][ T5542] BTRFS info (device loop0): has skinny extents [ 77.810479][ T5542] BTRFS info (device loop0): enabling ssd optimizations [ 77.815346][ T5542] BTRFS info (device loop0): balance: start -s [ 77.816684][ T5542] ------------[ cut here ]------------ [ 77.817631][ T5542] WARNING: CPU: 1 PID: 5542 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.819398][ T5542] Modules linked in: [ 77.820055][ T5542] CPU: 1 PID: 5542 Comm: syz.0.42 Tainted: G W syzkaller #0 [ 77.821508][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 77.823207][ T5542] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 77.824473][ T5542] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.825544][ T5542] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.826636][ T5542] sp : ffff800021187540 [ 77.827365][ T5542] x29: ffff800021187710 x28: ffff0000ceb789b0 x27: 1fffe0001bcbe67a [ 77.828841][ T5542] x26: 1fffe00019d6f10b x25: ffff0000ceb78850 x24: dfff800000000000 [ 77.830305][ T5542] x23: ffff0000de5f33c8 x22: 1fffe00019d6f10a x21: ffff0000ceb78858 [ 77.831771][ T5542] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 77.833130][ T5542] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 77.834575][ T5542] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 77.835948][ T5542] x11: 0000000000000000 x10: 0000000000000000 x9 : 413de58c30789d00 [ 77.837300][ T5542] x8 : 413de58c30789d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 77.838561][ T5542] x5 : ffff800021186e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 77.839929][ T5542] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 77.841205][ T5542] Call trace: [ 77.841741][ T5542] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 77.842782][ T5542] __btrfs_end_transaction+0x13c/0x5f0 [ 77.843741][ T5542] btrfs_end_transaction+0x24/0x34 [ 77.844585][ T5542] btrfs_inc_block_group_ro+0x4ec/0x558 [ 77.845544][ T5542] btrfs_relocate_block_group+0x2b8/0x8a4 [ 77.846504][ T5542] btrfs_relocate_chunk+0xb8/0x280 [ 77.847364][ T5542] __btrfs_balance+0x112c/0x1b9c [ 77.848252][ T5542] btrfs_balance+0xac8/0x113c [ 77.849082][ T5542] btrfs_ioctl_balance+0x4cc/0x658 [ 77.849982][ T5542] btrfs_ioctl+0x20c/0xa8c [ 77.850781][ T5542] __arm64_sys_ioctl+0x14c/0x1c8 [ 77.851587][ T5542] invoke_syscall+0x98/0x2b0 [ 77.852443][ T5542] el0_svc_common+0x138/0x258 [ 77.853252][ T5542] do_el0_svc+0x58/0x13c [ 77.853980][ T5542] el0_svc+0x78/0x1d0 [ 77.854615][ T5542] el0t_64_sync_handler+0xcc/0xe4 [ 77.855387][ T5542] el0t_64_sync+0x1a0/0x1a4 [ 77.856169][ T5542] irq event stamp: 79002 [ 77.856808][ T5542] hardirqs last enabled at (79001): [] __up_console_sem+0xb4/0xfc [ 77.858392][ T5542] hardirqs last disabled at (79002): [] el1_dbg+0x24/0x80 [ 77.859845][ T5542] softirqs last enabled at (78862): [] local_bh_enable+0x10/0x34 [ 77.861417][ T5542] softirqs last disabled at (78860): [] local_bh_disable+0x10/0x34 [ 77.862942][ T5542] ---[ end trace c10ef22cdb0ed2e7 ]--- [ 77.865555][ T5542] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 77.867292][ T5542] BTRFS info (device loop0): forced readonly [ 77.868397][ T5542] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 77.870104][ T5542] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 77.871901][ T5542] BTRFS info (device loop0): balance: ended with status: -30 [ 78.018006][ T5564] loop0: detected capacity change from 0 to 32768 [ 78.056460][ T5564] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.43 (5564) [ 78.060892][ T5564] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.062556][ T5564] BTRFS info (device loop0): using free space tree [ 78.063630][ T5564] BTRFS info (device loop0): has skinny extents [ 78.070834][ T5564] BTRFS info (device loop0): enabling ssd optimizations [ 78.076560][ T5564] BTRFS info (device loop0): balance: start -s [ 78.077874][ T5564] ------------[ cut here ]------------ [ 78.078836][ T5564] WARNING: CPU: 1 PID: 5564 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.080707][ T5564] Modules linked in: [ 78.081380][ T5564] CPU: 1 PID: 5564 Comm: syz.0.43 Tainted: G W syzkaller #0 [ 78.082833][ T5564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.084520][ T5564] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.085887][ T5564] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.087062][ T5564] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.088174][ T5564] sp : ffff800021e97540 [ 78.088886][ T5564] x29: ffff800021e97710 x28: ffff0000ce8af1b0 x27: 1fffe0001bcbe64e [ 78.090123][ T5564] x26: 1fffe00019d15e0b x25: ffff0000ce8af050 x24: dfff800000000000 [ 78.091475][ T5564] x23: ffff0000de5f3268 x22: 1fffe00019d15e0a x21: ffff0000ce8af058 [ 78.092780][ T5564] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 78.093972][ T5564] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.095389][ T5564] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 78.096729][ T5564] x11: 0000000000000000 x10: 0000000000000000 x9 : 9833da0184515400 [ 78.098051][ T5564] x8 : 9833da0184515400 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.099501][ T5564] x5 : ffff800021e96e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 78.100922][ T5564] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.102225][ T5564] Call trace: [ 78.102800][ T5564] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.103844][ T5564] __btrfs_end_transaction+0x13c/0x5f0 [ 78.104796][ T5564] btrfs_end_transaction+0x24/0x34 [ 78.105679][ T5564] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.106552][ T5564] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.107557][ T5564] btrfs_relocate_chunk+0xb8/0x280 [ 78.108404][ T5564] __btrfs_balance+0x112c/0x1b9c [ 78.109178][ T5564] btrfs_balance+0xac8/0x113c [ 78.109975][ T5564] btrfs_ioctl_balance+0x4cc/0x658 [ 78.110844][ T5564] btrfs_ioctl+0x20c/0xa8c [ 78.111594][ T5564] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.112422][ T5564] invoke_syscall+0x98/0x2b0 [ 78.113146][ T5564] el0_svc_common+0x138/0x258 [ 78.113975][ T5564] do_el0_svc+0x58/0x13c [ 78.114649][ T5564] el0_svc+0x78/0x1d0 [ 78.115265][ T5564] el0t_64_sync_handler+0xcc/0xe4 [ 78.116079][ T5564] el0t_64_sync+0x1a0/0x1a4 [ 78.116870][ T5564] irq event stamp: 79630 [ 78.117571][ T5564] hardirqs last enabled at (79629): [] __up_console_sem+0xb4/0xfc [ 78.119261][ T5564] hardirqs last disabled at (79630): [] el1_dbg+0x24/0x80 [ 78.120616][ T5564] softirqs last enabled at (79484): [] local_bh_enable+0x10/0x34 [ 78.122199][ T5564] softirqs last disabled at (79482): [] local_bh_disable+0x10/0x34 [ 78.123837][ T5564] ---[ end trace c10ef22cdb0ed2e8 ]--- [ 78.127401][ T5564] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.130364][ T5564] BTRFS info (device loop0): forced readonly [ 78.131421][ T5564] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.133931][ T5564] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.135740][ T5564] BTRFS info (device loop0): balance: ended with status: -30 [ 78.275273][ T5586] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.44 (5586) [ 78.280140][ T5586] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.281579][ T5586] BTRFS info (device loop0): using free space tree [ 78.282679][ T5586] BTRFS info (device loop0): has skinny extents [ 78.302525][ T5586] BTRFS info (device loop0): enabling ssd optimizations [ 78.306910][ T5586] BTRFS info (device loop0): balance: start -s [ 78.308431][ T5586] ------------[ cut here ]------------ [ 78.309395][ T5586] WARNING: CPU: 0 PID: 5586 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.311312][ T5586] Modules linked in: [ 78.312023][ T5586] CPU: 0 PID: 5586 Comm: syz.0.44 Tainted: G W syzkaller #0 [ 78.313426][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.315056][ T5586] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.316317][ T5586] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.317398][ T5586] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.318523][ T5586] sp : ffff800021e97540 [ 78.319212][ T5586] x29: ffff800021e97710 x28: ffff0000d850e9b0 x27: 1fffe0001bcde822 [ 78.320718][ T5586] x26: 1fffe0001b0a1d0b x25: ffff0000d850e850 x24: dfff800000000000 [ 78.322245][ T5586] x23: ffff0000de6f4108 x22: 1fffe0001b0a1d0a x21: ffff0000d850e858 [ 78.323566][ T5586] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 78.324992][ T5586] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.326409][ T5586] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 78.327795][ T5586] x11: 0000000000000000 x10: 0000000000000000 x9 : 664fc3730ab47000 [ 78.329078][ T5586] x8 : 664fc3730ab47000 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.330465][ T5586] x5 : ffff800021e96e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 78.331864][ T5586] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.333287][ T5586] Call trace: [ 78.333830][ T5586] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.334976][ T5586] __btrfs_end_transaction+0x13c/0x5f0 [ 78.335902][ T5586] btrfs_end_transaction+0x24/0x34 [ 78.336752][ T5586] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.337647][ T5586] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.338529][ T5586] btrfs_relocate_chunk+0xb8/0x280 [ 78.339351][ T5586] __btrfs_balance+0x112c/0x1b9c [ 78.340232][ T5586] btrfs_balance+0xac8/0x113c [ 78.340990][ T5586] btrfs_ioctl_balance+0x4cc/0x658 [ 78.341842][ T5586] btrfs_ioctl+0x20c/0xa8c [ 78.342613][ T5586] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.343444][ T5586] invoke_syscall+0x98/0x2b0 [ 78.344216][ T5586] el0_svc_common+0x138/0x258 [ 78.345041][ T5586] do_el0_svc+0x58/0x13c [ 78.345764][ T5586] el0_svc+0x78/0x1d0 [ 78.346433][ T5586] el0t_64_sync_handler+0xcc/0xe4 [ 78.347210][ T5586] el0t_64_sync+0x1a0/0x1a4 [ 78.347947][ T5586] irq event stamp: 79348 [ 78.348710][ T5586] hardirqs last enabled at (79347): [] __up_console_sem+0xb4/0xfc [ 78.350410][ T5586] hardirqs last disabled at (79348): [] el1_dbg+0x24/0x80 [ 78.351879][ T5586] softirqs last enabled at (79208): [] local_bh_enable+0x10/0x34 [ 78.353573][ T5586] softirqs last disabled at (79206): [] local_bh_disable+0x10/0x34 [ 78.355091][ T5586] ---[ end trace c10ef22cdb0ed2e9 ]--- [ 78.356605][ T5586] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.358420][ T5586] BTRFS info (device loop0): forced readonly [ 78.359510][ T5586] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.361310][ T5586] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.363205][ T5586] BTRFS info (device loop0): balance: ended with status: -30 [ 78.574974][ T5608] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.45 (5608) [ 78.579174][ T5608] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.580691][ T5608] BTRFS info (device loop0): using free space tree [ 78.581780][ T5608] BTRFS info (device loop0): has skinny extents [ 78.592530][ T5608] BTRFS info (device loop0): enabling ssd optimizations [ 78.597031][ T5608] BTRFS info (device loop0): balance: start -s [ 78.598383][ T5608] ------------[ cut here ]------------ [ 78.599524][ T5608] WARNING: CPU: 0 PID: 5608 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.601455][ T5608] Modules linked in: [ 78.602160][ T5608] CPU: 0 PID: 5608 Comm: syz.0.45 Tainted: G W syzkaller #0 [ 78.603752][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.605512][ T5608] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.606890][ T5608] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.608025][ T5608] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.609118][ T5608] sp : ffff8000220d7540 [ 78.609818][ T5608] x29: ffff8000220d7710 x28: ffff0000c92ef1b0 x27: 1fffe0001bcde9ae [ 78.611251][ T5608] x26: 1fffe0001925de0b x25: ffff0000c92ef050 x24: dfff800000000000 [ 78.612663][ T5608] x23: ffff0000de6f4d68 x22: 1fffe0001925de0a x21: ffff0000c92ef058 [ 78.613925][ T5608] x20: 00000000ffffffe4 x19: ffff0000d3fe99d0 x18: 0000000000000001 [ 78.615231][ T5608] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.616605][ T5608] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 78.617952][ T5608] x11: 0000000000000000 x10: 0000000000000000 x9 : 60ef232170fec300 [ 78.619246][ T5608] x8 : 60ef232170fec300 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.620535][ T5608] x5 : ffff8000220d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 78.621922][ T5608] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.623182][ T5608] Call trace: [ 78.623684][ T5608] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.624732][ T5608] __btrfs_end_transaction+0x13c/0x5f0 [ 78.625607][ T5608] btrfs_end_transaction+0x24/0x34 [ 78.626470][ T5608] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.627396][ T5608] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.628322][ T5608] btrfs_relocate_chunk+0xb8/0x280 [ 78.629179][ T5608] __btrfs_balance+0x112c/0x1b9c [ 78.630049][ T5608] btrfs_balance+0xac8/0x113c [ 78.630869][ T5608] btrfs_ioctl_balance+0x4cc/0x658 [ 78.631732][ T5608] btrfs_ioctl+0x20c/0xa8c [ 78.632498][ T5608] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.633340][ T5608] invoke_syscall+0x98/0x2b0 [ 78.634042][ T5608] el0_svc_common+0x138/0x258 [ 78.634816][ T5608] do_el0_svc+0x58/0x13c [ 78.635541][ T5608] el0_svc+0x78/0x1d0 [ 78.636218][ T5608] el0t_64_sync_handler+0xcc/0xe4 [ 78.637089][ T5608] el0t_64_sync+0x1a0/0x1a4 [ 78.637842][ T5608] irq event stamp: 79178 [ 78.638529][ T5608] hardirqs last enabled at (79177): [] __up_console_sem+0xb4/0xfc [ 78.640149][ T5608] hardirqs last disabled at (79178): [] el1_dbg+0x24/0x80 [ 78.641703][ T5608] softirqs last enabled at (79034): [] local_bh_enable+0x10/0x34 [ 78.643306][ T5608] softirqs last disabled at (79032): [] local_bh_disable+0x10/0x34 [ 78.644952][ T5608] ---[ end trace c10ef22cdb0ed2ea ]--- [ 78.646255][ T5608] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.648002][ T5608] BTRFS info (device loop0): forced readonly [ 78.649006][ T5608] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.650915][ T5608] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.652849][ T5608] BTRFS info (device loop0): balance: ended with status: -30 [ 78.875234][ T5630] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.46 (5630) [ 78.878322][ T5630] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 78.879840][ T5630] BTRFS info (device loop0): using free space tree [ 78.880884][ T5630] BTRFS info (device loop0): has skinny extents [ 78.889009][ T5630] BTRFS info (device loop0): enabling ssd optimizations [ 78.900794][ T5630] BTRFS info (device loop0): balance: start -s [ 78.902450][ T5630] ------------[ cut here ]------------ [ 78.903418][ T5630] WARNING: CPU: 1 PID: 5630 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.905175][ T5630] Modules linked in: [ 78.905825][ T5630] CPU: 1 PID: 5630 Comm: syz.0.46 Tainted: G W syzkaller #0 [ 78.907235][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 78.908951][ T5630] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 78.910254][ T5630] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.911383][ T5630] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.912478][ T5630] sp : ffff8000220d7540 [ 78.913087][ T5630] x29: ffff8000220d7710 x28: ffff0000db84e9b0 x27: 1fffe0001bcbe76c [ 78.914389][ T5630] x26: 1fffe0001b709d0b x25: ffff0000db84e850 x24: dfff800000000000 [ 78.915597][ T5630] x23: ffff0000de5f3b58 x22: 1fffe0001b709d0a x21: ffff0000db84e858 [ 78.916861][ T5630] x20: 00000000ffffffe4 x19: ffff0000d2a559d0 x18: 0000000000000001 [ 78.918077][ T5630] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 78.919377][ T5630] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 78.920590][ T5630] x11: 0000000000000000 x10: 0000000000000000 x9 : ce541980fe0d7200 [ 78.921926][ T5630] x8 : ce541980fe0d7200 x7 : 0000000000000001 x6 : 0000000000000001 [ 78.923246][ T5630] x5 : ffff8000220d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 78.924578][ T5630] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 78.925928][ T5630] Call trace: [ 78.926532][ T5630] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 78.927563][ T5630] __btrfs_end_transaction+0x13c/0x5f0 [ 78.928469][ T5630] btrfs_end_transaction+0x24/0x34 [ 78.929338][ T5630] btrfs_inc_block_group_ro+0x4ec/0x558 [ 78.930341][ T5630] btrfs_relocate_block_group+0x2b8/0x8a4 [ 78.931336][ T5630] btrfs_relocate_chunk+0xb8/0x280 [ 78.932291][ T5630] __btrfs_balance+0x112c/0x1b9c [ 78.933061][ T5630] btrfs_balance+0xac8/0x113c [ 78.933822][ T5630] btrfs_ioctl_balance+0x4cc/0x658 [ 78.934682][ T5630] btrfs_ioctl+0x20c/0xa8c [ 78.935431][ T5630] __arm64_sys_ioctl+0x14c/0x1c8 [ 78.936232][ T5630] invoke_syscall+0x98/0x2b0 [ 78.937039][ T5630] el0_svc_common+0x138/0x258 [ 78.937872][ T5630] do_el0_svc+0x58/0x13c [ 78.938597][ T5630] el0_svc+0x78/0x1d0 [ 78.939281][ T5630] el0t_64_sync_handler+0xcc/0xe4 [ 78.940151][ T5630] el0t_64_sync+0x1a0/0x1a4 [ 78.940914][ T5630] irq event stamp: 79148 [ 78.941661][ T5630] hardirqs last enabled at (79147): [] __up_console_sem+0xb4/0xfc [ 78.943246][ T5630] hardirqs last disabled at (79148): [] el1_dbg+0x24/0x80 [ 78.944697][ T5630] softirqs last enabled at (79128): [] handle_softirqs+0xa40/0xbe4 [ 78.946315][ T5630] softirqs last disabled at (79117): [] __irq_exit_rcu+0x240/0x43c [ 78.947919][ T5630] ---[ end trace c10ef22cdb0ed2eb ]--- [ 78.951249][ T5630] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 78.953018][ T5630] BTRFS info (device loop0): forced readonly [ 78.954047][ T5630] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 78.955912][ T5630] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 78.957718][ T5630] BTRFS info (device loop0): balance: ended with status: -30 [ 79.174764][ T5652] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.47 (5652) [ 79.178000][ T5652] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.179362][ T5652] BTRFS info (device loop0): using free space tree [ 79.180477][ T5652] BTRFS info (device loop0): has skinny extents [ 79.189003][ T5652] BTRFS info (device loop0): enabling ssd optimizations [ 79.194832][ T5652] BTRFS info (device loop0): balance: start -s [ 79.196107][ T5652] ------------[ cut here ]------------ [ 79.197054][ T5652] WARNING: CPU: 0 PID: 5652 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.198816][ T5652] Modules linked in: [ 79.199403][ T5652] CPU: 0 PID: 5652 Comm: syz.0.47 Tainted: G W syzkaller #0 [ 79.200765][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.202321][ T5652] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.203599][ T5652] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.204673][ T5652] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.205755][ T5652] sp : ffff8000220d7540 [ 79.206445][ T5652] x29: ffff8000220d7710 x28: ffff0000eb2491b0 x27: 1fffe0001bcde890 [ 79.207893][ T5652] x26: 1fffe0001d64920b x25: ffff0000eb249050 x24: dfff800000000000 [ 79.209304][ T5652] x23: ffff0000de6f4478 x22: 1fffe0001d64920a x21: ffff0000eb249058 [ 79.210581][ T5652] x20: 00000000ffffffe4 x19: ffff0000eb8959d0 x18: 0000000000000001 [ 79.211933][ T5652] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.213326][ T5652] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.214726][ T5652] x11: 0000000000000000 x10: 0000000000000000 x9 : 1d61a0e8699ab600 [ 79.216124][ T5652] x8 : 1d61a0e8699ab600 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.217489][ T5652] x5 : ffff8000220d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 79.218915][ T5652] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.220278][ T5652] Call trace: [ 79.220829][ T5652] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.221961][ T5652] __btrfs_end_transaction+0x13c/0x5f0 [ 79.222854][ T5652] btrfs_end_transaction+0x24/0x34 [ 79.223822][ T5652] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.224726][ T5652] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.225672][ T5652] btrfs_relocate_chunk+0xb8/0x280 [ 79.226494][ T5652] __btrfs_balance+0x112c/0x1b9c [ 79.227275][ T5652] btrfs_balance+0xac8/0x113c [ 79.228040][ T5652] btrfs_ioctl_balance+0x4cc/0x658 [ 79.228858][ T5652] btrfs_ioctl+0x20c/0xa8c [ 79.229676][ T5652] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.230532][ T5652] invoke_syscall+0x98/0x2b0 [ 79.231309][ T5652] el0_svc_common+0x138/0x258 [ 79.232113][ T5652] do_el0_svc+0x58/0x13c [ 79.232852][ T5652] el0_svc+0x78/0x1d0 [ 79.233533][ T5652] el0t_64_sync_handler+0xcc/0xe4 [ 79.234392][ T5652] el0t_64_sync+0x1a0/0x1a4 [ 79.235176][ T5652] irq event stamp: 79440 [ 79.235878][ T5652] hardirqs last enabled at (79439): [] __up_console_sem+0xb4/0xfc [ 79.237514][ T5652] hardirqs last disabled at (79440): [] el1_dbg+0x24/0x80 [ 79.238944][ T5652] softirqs last enabled at (79318): [] local_bh_enable+0x10/0x34 [ 79.240584][ T5652] softirqs last disabled at (79316): [] local_bh_disable+0x10/0x34 [ 79.242124][ T5652] ---[ end trace c10ef22cdb0ed2ec ]--- [ 79.246046][ T5652] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.247659][ T5652] BTRFS info (device loop0): forced readonly [ 79.248751][ T5652] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.250579][ T5652] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.252960][ T5652] BTRFS info (device loop0): balance: ended with status: -30 [ 79.433450][ T5674] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.48 (5674) [ 79.478003][ T5674] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 79.479546][ T5674] BTRFS info (device loop0): using free space tree [ 79.480791][ T5674] BTRFS info (device loop0): has skinny extents [ 79.488365][ T5674] BTRFS info (device loop0): enabling ssd optimizations [ 79.494190][ T5674] BTRFS info (device loop0): balance: start -s [ 79.495560][ T5674] ------------[ cut here ]------------ [ 79.496586][ T5674] WARNING: CPU: 0 PID: 5674 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.498621][ T5674] Modules linked in: [ 79.499264][ T5674] CPU: 0 PID: 5674 Comm: syz.0.48 Tainted: G W syzkaller #0 [ 79.500685][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.502459][ T5674] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.503725][ T5674] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.504922][ T5674] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.506080][ T5674] sp : ffff800021dd7540 [ 79.506780][ T5674] x29: ffff800021dd7710 x28: ffff0000ce6901b0 x27: 1fffe0001bcde9f0 [ 79.508173][ T5674] x26: 1fffe00019cd200b x25: ffff0000ce690050 x24: dfff800000000000 [ 79.509568][ T5674] x23: ffff0000de6f4f78 x22: 1fffe00019cd200a x21: ffff0000ce690058 [ 79.510928][ T5674] x20: 00000000ffffffe4 x19: ffff0000d3ff19d0 x18: 0000000000000001 [ 79.512244][ T5674] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.513629][ T5674] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 79.515038][ T5674] x11: 0000000000000000 x10: 0000000000000000 x9 : d1f586a7104ec400 [ 79.516476][ T5674] x8 : d1f586a7104ec400 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.517877][ T5674] x5 : ffff800021dd6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 79.519375][ T5674] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.520698][ T5674] Call trace: [ 79.521256][ T5674] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.522370][ T5674] __btrfs_end_transaction+0x13c/0x5f0 [ 79.523292][ T5674] btrfs_end_transaction+0x24/0x34 [ 79.524199][ T5674] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.525182][ T5674] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.526194][ T5674] btrfs_relocate_chunk+0xb8/0x280 [ 79.527082][ T5674] __btrfs_balance+0x112c/0x1b9c [ 79.527922][ T5674] btrfs_balance+0xac8/0x113c [ 79.528681][ T5674] btrfs_ioctl_balance+0x4cc/0x658 [ 79.529591][ T5674] btrfs_ioctl+0x20c/0xa8c [ 79.530357][ T5674] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.531169][ T5674] invoke_syscall+0x98/0x2b0 [ 79.531964][ T5674] el0_svc_common+0x138/0x258 [ 79.532765][ T5674] do_el0_svc+0x58/0x13c [ 79.533428][ T5674] el0_svc+0x78/0x1d0 [ 79.534156][ T5674] el0t_64_sync_handler+0xcc/0xe4 [ 79.535007][ T5674] el0t_64_sync+0x1a0/0x1a4 [ 79.535733][ T5674] irq event stamp: 78952 [ 79.536385][ T5674] hardirqs last enabled at (78951): [] __up_console_sem+0xb4/0xfc [ 79.537942][ T5674] hardirqs last disabled at (78952): [] el1_dbg+0x24/0x80 [ 79.539368][ T5674] softirqs last enabled at (78836): [] local_bh_enable+0x10/0x34 [ 79.540959][ T5674] softirqs last disabled at (78834): [] local_bh_disable+0x10/0x34 [ 79.542593][ T5674] ---[ end trace c10ef22cdb0ed2ed ]--- [ 79.544231][ T5674] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.546832][ T5674] BTRFS info (device loop0): forced readonly [ 79.547943][ T5674] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.549771][ T5674] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.551448][ T5674] BTRFS info (device loop0): balance: ended with status: -30 [ 79.745113][ T5696] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.49 (5696) [ 79.765923][ T5696] ------------[ cut here ]------------ [ 79.766968][ T5696] WARNING: CPU: 1 PID: 5696 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.768839][ T5696] Modules linked in: [ 79.769564][ T5696] CPU: 1 PID: 5696 Comm: syz.0.49 Tainted: G W syzkaller #0 [ 79.770880][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.772620][ T5696] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 79.774000][ T5696] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.775149][ T5696] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.776309][ T5696] sp : ffff8000220d7540 [ 79.777052][ T5696] x29: ffff8000220d7710 x28: ffff0000c9d9e1b0 x27: 1fffe0001bcbe7ae [ 79.778506][ T5696] x26: 1fffe000193b3c0b x25: ffff0000c9d9e050 x24: dfff800000000000 [ 79.779911][ T5696] x23: ffff0000de5f3d68 x22: 1fffe000193b3c0a x21: ffff0000c9d9e058 [ 79.781287][ T5696] x20: 00000000ffffffe4 x19: ffff0000e87859d0 x18: 0000000000000001 [ 79.782707][ T5696] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 79.784078][ T5696] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 79.785421][ T5696] x11: 0000000000000000 x10: 0000000000000000 x9 : c61237c1a7a6cd00 [ 79.786805][ T5696] x8 : c61237c1a7a6cd00 x7 : 0000000000000001 x6 : 0000000000000001 [ 79.788107][ T5696] x5 : ffff8000220d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 79.789464][ T5696] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 79.790962][ T5696] Call trace: [ 79.791516][ T5696] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 79.792545][ T5696] __btrfs_end_transaction+0x13c/0x5f0 [ 79.793491][ T5696] btrfs_end_transaction+0x24/0x34 [ 79.794380][ T5696] btrfs_inc_block_group_ro+0x4ec/0x558 [ 79.795291][ T5696] btrfs_relocate_block_group+0x2b8/0x8a4 [ 79.796325][ T5696] btrfs_relocate_chunk+0xb8/0x280 [ 79.797184][ T5696] __btrfs_balance+0x112c/0x1b9c [ 79.798058][ T5696] btrfs_balance+0xac8/0x113c [ 79.798865][ T5696] btrfs_ioctl_balance+0x4cc/0x658 [ 79.799708][ T5696] btrfs_ioctl+0x20c/0xa8c [ 79.800479][ T5696] __arm64_sys_ioctl+0x14c/0x1c8 [ 79.801320][ T5696] invoke_syscall+0x98/0x2b0 [ 79.802109][ T5696] el0_svc_common+0x138/0x258 [ 79.802947][ T5696] do_el0_svc+0x58/0x13c [ 79.803678][ T5696] el0_svc+0x78/0x1d0 [ 79.804359][ T5696] el0t_64_sync_handler+0xcc/0xe4 [ 79.805210][ T5696] el0t_64_sync+0x1a0/0x1a4 [ 79.805958][ T5696] irq event stamp: 79290 [ 79.806661][ T5696] hardirqs last enabled at (79289): [] __up_console_sem+0xb4/0xfc [ 79.808242][ T5696] hardirqs last disabled at (79290): [] el1_dbg+0x24/0x80 [ 79.809718][ T5696] softirqs last enabled at (79170): [] local_bh_enable+0x10/0x34 [ 79.811191][ T5696] softirqs last disabled at (79168): [] local_bh_disable+0x10/0x34 [ 79.812789][ T5696] ---[ end trace c10ef22cdb0ed2ee ]--- [ 79.816169][ T5696] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 79.818184][ T5696] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 79.819939][ T5696] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 79.993390][ T5718] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.50 (5718) [ 80.066700][ T5718] ------------[ cut here ]------------ [ 80.067871][ T5718] WARNING: CPU: 1 PID: 5718 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.069686][ T5718] Modules linked in: [ 80.070348][ T5718] CPU: 1 PID: 5718 Comm: syz.0.50 Tainted: G W syzkaller #0 [ 80.071885][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.073635][ T5718] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.074912][ T5718] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.076047][ T5718] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.077179][ T5718] sp : ffff8000220d7540 [ 80.077922][ T5718] x29: ffff8000220d7710 x28: ffff0000d74841b0 x27: 1fffe0001bcbe782 [ 80.079293][ T5718] x26: 1fffe0001ae9080b x25: ffff0000d7484050 x24: dfff800000000000 [ 80.080613][ T5718] x23: ffff0000de5f3c08 x22: 1fffe0001ae9080a x21: ffff0000d7484058 [ 80.081948][ T5718] x20: 00000000ffffffe4 x19: ffff0000e87859d0 x18: 0000000000000001 [ 80.083301][ T5718] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.084629][ T5718] x14: 0000000000000001 x13: 1fffe000341f47ab x12: 0000000000ff0100 [ 80.086007][ T5718] x11: 0000000000000000 x10: 0000000000000000 x9 : 16672d61e12fcb00 [ 80.087413][ T5718] x8 : 16672d61e12fcb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.088770][ T5718] x5 : ffff8000220d6e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 80.090211][ T5718] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.091644][ T5718] Call trace: [ 80.092205][ T5718] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.093194][ T5718] __btrfs_end_transaction+0x13c/0x5f0 [ 80.094074][ T5718] btrfs_end_transaction+0x24/0x34 [ 80.094926][ T5718] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.095801][ T5718] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.096805][ T5718] btrfs_relocate_chunk+0xb8/0x280 [ 80.097661][ T5718] __btrfs_balance+0x112c/0x1b9c [ 80.098506][ T5718] btrfs_balance+0xac8/0x113c [ 80.099245][ T5718] btrfs_ioctl_balance+0x4cc/0x658 [ 80.100073][ T5718] btrfs_ioctl+0x20c/0xa8c [ 80.100781][ T5718] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.101562][ T5718] invoke_syscall+0x98/0x2b0 [ 80.102373][ T5718] el0_svc_common+0x138/0x258 [ 80.103143][ T5718] do_el0_svc+0x58/0x13c [ 80.103915][ T5718] el0_svc+0x78/0x1d0 [ 80.104612][ T5718] el0t_64_sync_handler+0xcc/0xe4 [ 80.105531][ T5718] el0t_64_sync+0x1a0/0x1a4 [ 80.106310][ T5718] irq event stamp: 78908 [ 80.107084][ T5718] hardirqs last enabled at (78907): [] __up_console_sem+0xb4/0xfc [ 80.108780][ T5718] hardirqs last disabled at (78908): [] el1_dbg+0x24/0x80 [ 80.110329][ T5718] softirqs last enabled at (78798): [] local_bh_enable+0x10/0x34 [ 80.111947][ T5718] softirqs last disabled at (78796): [] local_bh_disable+0x10/0x34 [ 80.113537][ T5718] ---[ end trace c10ef22cdb0ed2ef ]--- [ 80.117003][ T5718] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.119024][ T5718] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.120894][ T5718] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.369791][ T5740] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.51 (5740) [ 80.393960][ T5740] ------------[ cut here ]------------ [ 80.395025][ T5740] WARNING: CPU: 0 PID: 5740 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.396887][ T5740] Modules linked in: [ 80.397551][ T5740] CPU: 0 PID: 5740 Comm: syz.0.51 Tainted: G W syzkaller #0 [ 80.399003][ T5740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.400704][ T5740] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.402056][ T5740] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.403192][ T5740] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.404324][ T5740] sp : ffff800022737540 [ 80.405044][ T5740] x29: ffff800022737710 x28: ffff0000db38c1b0 x27: 1fffe0001bcde92a [ 80.406382][ T5740] x26: 1fffe0001b67180b x25: ffff0000db38c050 x24: dfff800000000000 [ 80.407738][ T5740] x23: ffff0000de6f4948 x22: 1fffe0001b67180a x21: ffff0000db38c058 [ 80.409120][ T5740] x20: 00000000ffffffe4 x19: ffff0000cf0c59d0 x18: 0000000000000001 [ 80.410495][ T5740] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.411842][ T5740] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 80.413332][ T5740] x11: 0000000000000000 x10: 0000000000000000 x9 : c451d14de160ca00 [ 80.414721][ T5740] x8 : c451d14de160ca00 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.416121][ T5740] x5 : ffff800022736e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 80.417539][ T5740] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.418951][ T5740] Call trace: [ 80.419481][ T5740] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.420512][ T5740] __btrfs_end_transaction+0x13c/0x5f0 [ 80.421482][ T5740] btrfs_end_transaction+0x24/0x34 [ 80.422332][ T5740] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.423187][ T5740] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.424172][ T5740] btrfs_relocate_chunk+0xb8/0x280 [ 80.425062][ T5740] __btrfs_balance+0x112c/0x1b9c [ 80.425897][ T5740] btrfs_balance+0xac8/0x113c [ 80.426703][ T5740] btrfs_ioctl_balance+0x4cc/0x658 [ 80.427587][ T5740] btrfs_ioctl+0x20c/0xa8c [ 80.428332][ T5740] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.429148][ T5740] invoke_syscall+0x98/0x2b0 [ 80.429873][ T5740] el0_svc_common+0x138/0x258 [ 80.430713][ T5740] do_el0_svc+0x58/0x13c [ 80.431384][ T5740] el0_svc+0x78/0x1d0 [ 80.432044][ T5740] el0t_64_sync_handler+0xcc/0xe4 [ 80.432866][ T5740] el0t_64_sync+0x1a0/0x1a4 [ 80.433668][ T5740] irq event stamp: 78776 [ 80.434375][ T5740] hardirqs last enabled at (78775): [] __up_console_sem+0xb4/0xfc [ 80.435946][ T5740] hardirqs last disabled at (78776): [] el1_dbg+0x24/0x80 [ 80.437377][ T5740] softirqs last enabled at (78652): [] local_bh_enable+0x10/0x34 [ 80.438958][ T5740] softirqs last disabled at (78650): [] local_bh_disable+0x10/0x34 [ 80.440541][ T5740] ---[ end trace c10ef22cdb0ed2f0 ]--- [ 80.441982][ T5740] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.443994][ T5740] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.445801][ T5740] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left [ 80.613491][ T5762] BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 scanned by syz.0.52 (5762) [ 80.695382][ T5762] ------------[ cut here ]------------ [ 80.696550][ T5762] WARNING: CPU: 0 PID: 5762 at fs/btrfs/block-group.c:2441 btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.698409][ T5762] Modules linked in: [ 80.699009][ T5762] CPU: 0 PID: 5762 Comm: syz.0.52 Tainted: G W syzkaller #0 [ 80.700514][ T5762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.702287][ T5762] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 80.703630][ T5762] pc : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.704847][ T5762] lr : btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.706021][ T5762] sp : ffff800022847540 [ 80.706754][ T5762] x29: ffff800022847710 x28: ffff0000d87801b0 x27: 1fffe0001bcde8fe [ 80.708099][ T5762] x26: 1fffe0001b0f000b x25: ffff0000d8780050 x24: dfff800000000000 [ 80.709455][ T5762] x23: ffff0000de6f47e8 x22: 1fffe0001b0f000a x21: ffff0000d8780058 [ 80.710820][ T5762] x20: 00000000ffffffe4 x19: ffff0000db8d19d0 x18: 0000000000000001 [ 80.712248][ T5762] x17: 0000000000000000 x16: ffff80001125a830 x15: 00000000ffffffff [ 80.713624][ T5762] x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 [ 80.714984][ T5762] x11: 0000000000000000 x10: 0000000000000000 x9 : 646575f2519f9900 [ 80.716452][ T5762] x8 : 646575f2519f9900 x7 : 0000000000000001 x6 : 0000000000000001 [ 80.717837][ T5762] x5 : ffff800022846e58 x4 : ffff80001437f3e0 x3 : ffff800008508edc [ 80.719221][ T5762] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 80.720678][ T5762] Call trace: [ 80.721243][ T5762] btrfs_create_pending_block_groups+0xa7c/0xd38 [ 80.722428][ T5762] __btrfs_end_transaction+0x13c/0x5f0 [ 80.723335][ T5762] btrfs_end_transaction+0x24/0x34 [ 80.724232][ T5762] btrfs_inc_block_group_ro+0x4ec/0x558 [ 80.725154][ T5762] btrfs_relocate_block_group+0x2b8/0x8a4 [ 80.726134][ T5762] btrfs_relocate_chunk+0xb8/0x280 [ 80.726988][ T5762] __btrfs_balance+0x112c/0x1b9c [ 80.727915][ T5762] btrfs_balance+0xac8/0x113c [ 80.728738][ T5762] btrfs_ioctl_balance+0x4cc/0x658 [ 80.729555][ T5762] btrfs_ioctl+0x20c/0xa8c [ 80.730302][ T5762] __arm64_sys_ioctl+0x14c/0x1c8 [ 80.731131][ T5762] invoke_syscall+0x98/0x2b0 [ 80.731903][ T5762] el0_svc_common+0x138/0x258 [ 80.732737][ T5762] do_el0_svc+0x58/0x13c [ 80.733416][ T5762] el0_svc+0x78/0x1d0 [ 80.734084][ T5762] el0t_64_sync_handler+0xcc/0xe4 [ 80.734920][ T5762] el0t_64_sync+0x1a0/0x1a4 [ 80.735704][ T5762] irq event stamp: 78930 [ 80.736385][ T5762] hardirqs last enabled at (78929): [] __up_console_sem+0xb4/0xfc [ 80.737947][ T5762] hardirqs last disabled at (78930): [] el1_dbg+0x24/0x80 [ 80.739403][ T5762] softirqs last enabled at (78792): [] local_bh_enable+0x10/0x34 [ 80.741041][ T5762] softirqs last disabled at (78790): [] local_bh_disable+0x10/0x34 [ 80.742684][ T5762] ---[ end trace c10ef22cdb0ed2f1 ]--- [ 80.745619][ T5762] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2441: errno=-28 No space left [ 80.747431][ T5762] BTRFS: error (device loop0) in btrfs_create_pending_block_groups:2452: errno=-28 No space left [ 80.749170][ T5762] BTRFS: error (device loop0) in add_block_group_free_space:1315: errno=-28 No space left